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Egyszerű Walking Spirit 19605 AP1 Navy-mikroszálas Sport Walking Shoe Navy-mikroszálas d646695 -


In Science, isotopes are different forms of a single element. In Horology, the brand ISOTOPE represents individuality and originality. A desirable brand combining ingenious design and the best technical solutions. A brand with the determination to explore new paths and become first among equals.

The “i” in our logo is aligned with the 7th hour. Most experts in numerology consider the number Seven a universal symbol of good fortune and unification. It is the world’s favourite number and the most significant across various cultures and religions.

ISOTOPE, horological complications demystified.


Our watch design needed to be unlike any other timepiece in the market so we started with a clean slate. After some time travel, we found ourselves in the1930’s. Inspiration came from the Streamline Moderne era designers which is an unexplored era where most designs are still authentic and desirable. The departing point were some of the most breathtaking cars and boats ever designed.

Two excellent examples are the 1938 Phantom Corsair designed by Rust Heinz and the Speedboats designed and built by Garfield Wood between 1930-1939.

The focus was the Art Moderne movement, not a specific brand or model. This is why we often mention that our watch was designed “by the wind” as we gained inspiration from various artistic, architectural and design fonts. Every element was created to look like the watch itself is in motion.

The domed sapphire crystal, the smooth edges, the dial with inverted water drop and oval hour window, the classic colours, the original font design, the scale elements, the reinvented classic gauge hands…The ISOTOPE Rider reinterpretes the Streamline Moderne philosophy to add timeless elements into its contemporary design. That is why the Rider is unique but also seems familiar.



Back in 1883, the Austrian Engineer Josef Pallweber invented a watch complication popularly referred to as the Pallweber “Jump-Hour” movement.

His invention had the simple idea of making easier to read the hour in pocket watches. He replaced the hands with a “digital” display of hours and minutes and every 60-minute cycle, the hour digit would suddenly “jump” to the next hour.

In 1885, the Swiss firm known as “The International Watch Company” of Schaffhausen, or “IWC”, patented the revolutionary Josef Pallweber mechanical pocket watch movement, which displayed the hours and minutes with Arabic numeral dials.

Between 1885-1887, the Pallweber “Jump-Hour” pocket watches were exclusively manufactured by IWC. Since then, several solutions were invented and explored by various watch designers and consequently, different watch brands.

We believe we are the first independent watch brand to ever introduce a new Jumping-Hour as it’s first complication. Therefore, our ISOTOPE Rider is a tribute to Josef Pallweber and Gérald Genta. A tribute for inventing the concept and an acknowledgment as no other watch designer created so many iconic versions of watches with a Jumping-Hour complication.


All variations are animated by a self-winding Swiss ETA 2824-2 with a bespoke Swiss made Jumping-Hour module showing an hour disc with Arabic numerals, ISOTOPE exclusive minute and seconds gauge hands.

The Rotor, visible from the case back window, can be either decorated with the ISOTOPE Logo or with a bespoke design/message as per our customers requirements, making each model even more priceless, exclusive and personal.

The dials show white or black painted indexes and Arabic numerals, depending on the dial colour. An oval guichet placed at 6 o’clock shows the hour. We placed the guichet in this position so it’s possible to observe the hour “jumping” with no hands interference. The cases, crown and ISOTOPE buckle are produced in Stainless Steel 316L, conferring a practical daily usage.

All variants will be supplied with a bespoke leather strap, either in black or dark brown Calfskin leather, depending on the ideal colour combination with the dial. The metal bracelet and clasp have our original design, exclusive for our watches. At this stage we are still deciding if we are producing the metal bracelets as they would be significantly expensive considering only 99 or less would be made. In the end, it will depend on the number of pre-orders.













TECHNICAL SPECIFICATIONS ALLOY Case, Crown and Buckle: Stainless Steel 316L

Length, including lugs: 47,7mm

Width: 46,8mm (without crown) / 47,4mm (with crown)

Height: 12,1mm (excluding crystal) / 13,7mm (including domed crystal)

Domed AR Sapphire Crystal: ø37mm

Case Back AR Sapphire Crystal: ø24mm

Lugs width: 22mm

Buckle: Pin Buckle, 20mm

Movement: Swiss Automatic, self-winding, ETA 2824-2 with bespoke ISOTOPE Jumping-Hour module

Functions: Mechanical, Hour positioned at 6 o’clock, central minutes and hacking seconds

Accuracy: +20”/-10” p/day

Jewels: 26

Frequency: 28800 A/h

Shock Protection: Incabloc

Power-Reserve: 38 hours


In our Rider it is very easy to read the time: the number positioned at 6 o’clock represents the hour. As an example, at 5.59, as the minute and second hands reaches the last second before 6, the 6 “jumps” replacing the 5 in the hour window.

Our bespoke module, with window hour positioned at 6 o’clock, adopts an ingenious solution and the module uses a systematic amount of power throughout an entire hour, delivering excellent results in accuracy and reliability.

The heart animating the Rider is the well-known ETA 2824-2, a movement that has been widely used by top brands due to its reliability, accuracy and low-maintenance costs. The Jumping-Hour module is 100% Swiss Made and assembled in the Swiss district of Biel.



After testing various colour options, we decided to offer the six colours we believe are more elegant for our case design. Our customers will be able to choose their preferred colour dial before starting production. This means that some references might become even more rare than others.

Please contact us to discuss:



Quick Release Black or Brown French Calfskin and Orange grained lining

Quick Release Bespoke Sturgeon Leather


Our watches are offered with a high quality French Calfskin and Orange grained lining strap with Presto Stainless Steel spring bars for quick release, avoiding the necessity of tools and potential damages to the watchcase when changing the strap. The leather bracelets are an ISOTOPE exclusive Design.


Egyszerű Walking Spirit 19605 AP1 Navy-mikroszálas Sport Walking Shoe Navy-mikroszálas d646695

Hand-Made in Bern, Switzerland, by the Award Winning Designer Sabina Bragger, these exotic, rare straps are made out of Sturgeon Fish Leather, with an exclusive design for ISOTOPE Watches. These straps are unique, original, unscented and extremely resistant and water proof. Sturgeon Leather straps will last up to 3 or more years depending on usage and can be washed with water and soap. It is probably the best option if your intention is to use the watch whilst playing sport activities. Again, it is possible to plan a guided visit to our partner in Bern and learn in detail how Sabina sources the leather, the Eco-Friendly Tanning Process and also create an exclusive and unique strap that will only fit the owner’s wrist.

However, this strap is an optional so please contact us to discuss:



The buckle is fabricated with the same Stainless Steel grade used to manufacture the watchcase. It is highly resistant and comfortable. It’s colour matches perfectly with the Black or Brown Calfskin leather. The Sturgeon leather strap will be fitted with this same buckle design and previous tests looked astounding.


We are pleased to offer you the option of custom hand-engraving of your ISOTOPE Rider - for an even more exclusive and bespoke experience. After extensive research, we have chosen to exclusively use Joanne Ryall for our traditional hand engraving requirements.

We consider Joanne’s work to be one of the best in the industry. Therefore, we are delighted that she can bring her traditional skills and passion to our watches - lifting a timepiece that is already a work of art, to the status of a treasured heirloom. All works will be carried out on a brand new watchcase. Then, once Joanne completes the engraving of your preferred theme, we can plan a visit to our partner in Switzerland, letting you witness the final assemblage of your very own 1 of 1 ISOTOPE Rider.

Please, contemplate and enjoy some of Joanne’s latest work on her FACEBOOK PAGE.

Please contact us to discuss:


Designed specifically for our ISOTOPE Rider case, the Stainless Steel bracelet is made to order. At this stage we are still determining if we are producing them as they would be highly expensive to our customers considering only 99 or less would be made. We will keep you informed on the production of the metal bracelets, as it will depend on the number of pre-orders.

However, this bracelet is an optional so please contact us to discuss:



We are pleased to offer you the option of custom engraving the movement Rotor. The standard version will have the ISOTOPE logo but it is possible to inscribe your own text or design.

For further details, please contact us to discuss:



ISOTOPE will keep a registry of the serial number combined with the bespoke design and colour options. Each ISOTOPE Rider will have its own leather pouch, useful to protect your watch either at home or when travelling. The leather pouch is designed by Sabina Bragger and produced in Bern, Switzerland. A collective of Award Winning Designers created the Streamline Box. This unique box will be printed with the same serial number inscribed in the watch case and was conceived to be admired, not to be locked in the safe.



Please contact us to discuss your bespoke specifications. It will be a pleasure to talk and to meet all our customers in person:


Our watches have a manufacturers warranty against materials and workmanship defects for a period of 24 months. Please read our terms and conditions for detailed information.

Egyszerű Walking Spirit 19605 AP1 Navy-mikroszálas Sport Walking Shoe Navy-mikroszálas d646695
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"ISOTOPE Watches™" is a Registered Trademark owned by World of Skull, Ltd.
WoS, Ltd
5, Crosthwaite Court, Stewart Rd.
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United Kingdom
VAT Number:
Registered in England and Wales: 08438674

To contact us please email to the email address above.

2. Placing a order
2.1 When placing an order, you are offering to buy goods. We will e-mail you confirming that we have received your order.

2.2 As soon as we have reviewed your order and confirmed your details, we will e-mail you again confirming acceptance of your order. This means a contract has been made between ISOTOPE (WoS) and you.

2.3 In the unlikely event that the watch or accessories are no longer available, we will notify you of this. If by mistake the pricing is wrong, the contract will be void and you will not receive an e-mail confirming your order. In this situation there will be no contract between ISOTOPE and you.
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2.4 Our images and colours are for illustrative purposes only. Your watch and accessories may vary slightly from the image shown on the website. Decoration and props are not included in the sell unless otherwise stated.

2.5 All information in the website is provided in good faith. Nevertheless, some mistakes may occur and we will correct them as soon as possible.

2.6 This contract is covered by the English law.

2.7 By placing an order, you agree to and accept our terms and our privacy policy.

3. Orders placed via our website
3.1 Our website can be used to place an order. Simply select the product you wish to buy and we will add it to your basket. You can empty your basket at any time. If you prefer to order by email or telephone, please email us first to

3.2 Shipping costs are included in the watch price. Some accessories may require an extra payment to cover shipping costs.

3.3 When placing an order, you will be required to pay the total amount before the watch or accessories are shipped.

3.4 We use a third party secure payment for online purchases. Therefore, your order can be paid using most credit cards available as well as PayPal.

3.5 Promotions and price reductions will only apply during the advertised period.

3.6 All prices quoted on our website are in UK Pounds (£) and includes VAT at the current rate. This tax is charged to any orders that are made from countries within the EU (European Union). Any orders made by VAT-registered businesses within the EU will not be subject to VAT.

3.7 Orders placed and shipped outside of the EU will not be subject to VAT. However, you will be responsible to pay any duty or import tax that may occur when the product is delivered to your country.

3.8 Once your order is confirmed, changes may incur additional charges or delays.

3.9 Once your order is ready to dispatch, you will be notified by email.

Egyszerű Walking Spirit 19605 AP1 Navy-mikroszálas Sport Walking Shoe Navy-mikroszálas d646695 -

4. Delivery & Shipping Charges
4.1 Products that are in stock will normally be dispatched from us within (two) 2 working days.

4.2 If the products you order are not in stock and are required to be fabricated or assembled we will contact you stating a provisional delivery date. This must be agreed by you and ISOTOPE to avoid disappointments.

4.3 We sell anywhere in the world and our products will be shipped via FedEx, DHL, UPS, Royal Mail or similar. Shipping times will differ depending on your country. For safety reasons we do not ship to PO Boxes, or mail forwarding businesses. All addresses must be confirmed prior to shipping.

4.4 We will deliver the goods to the provided delivery address. All deliveries will need to be signed of as proof of delivery.

4.5 If you instruct the delivery company to leave the goods unattended, we will not accept responsibility for loss or damage.
Egyszerű Walking Spirit 19605 AP1 Navy-mikroszálas Sport Walking Shoe Navy-mikroszálas d646695
4.6 After two failed delivery attempts, or if you change address, the products may be returned to ISOTOPE headquarters and we reserve the right to charge you a re-delivery charge.

4.7 Please check the packaging on delivery. If the packaging is open or damaged, please notify the delivery driver at the time of delivery to return the packaging. Failing to do so, we will assume the goods were in pristine condition when delivered.

4.8 If the package is lost in transit, please contact the delivery company with your tracking number or let us know so we can contact them.

4.9 For reasons beyond our control we may not be able to deliver your products as planned. In case of accidents, breakdowns, fire, natural hazards, malicious damage or supplier fail, we will try to fix the and deliver as soon as possible. However we can’t be responsible where this causes a delay or failure in delivering your package.

5. Cancelling and returning a product
5.1 Bespoke items which have been personalised or modified to your specification, such as decoration, colour specification, engravings or any custom made parts are exempt from the right to cancel. Products ordered by businesses which are exempt from the Distance Selling Regulations are equally exempt from the right to cancel except if the products are faulty or misdescribed.

5.2 You can cancel your order at any time within 5 working days after the day of delivery. To cancel, please e-mail us at . Cancelations by phone will not be accepted.

5.3 If possible, please state the reason to cancel so we can improve our service in the future.

5.4 When cancelling, the products must be returned at your expense within 10 working days of cancellation, complete with the original, sealed packaging. We will provide a complete address to return the package. Please make sure it is well packed to avoid carrier damages.

5.5 Worn or damaged products can not be returned except if they are faulty. If worn or damaged under your responsibility, we reserve the right either to not accept the return or to charge you for the reduction in value.

5.6 We will refund your payment within 60 days, deducting any cost incurred under this contract.

6. Warranty
6.1 In addiction to the rights you have as a consumer, our watches have a manufacturers warranty against materials and workmanship defects for a period of 24 months from date of purchase. This warranty is indexed to your ISOTOPE Watch and is transferable even if you decide to sell or gift the watch. This warranty does not cover defects caused by improper use or normal wear of straps, bracelets and buckles.

6.2 If our watch is open or subjected to any repair work undertaken by a watch repairer who has not been appointed by us, our warranty will be void.

6.3 Please email us if you find any problem with the watch or with the accessories. We will help to solve the problem accordingly. If not bespoke, the solution might be a quick exchange but we need the original before shipping the replacement.
6.4 Returning a watch or accessories to ISOTOPE is your responsibility. Nevertheless we will refund you sensible shipping costs after inspection and if we realise it is our fault. If the products are not faulty, we will return them to you. In this situation, you’ll need too assume our sensible shipping costs before we ship the watch back to you.

6.5 If your item is no longer available, you are entitled to a similar product, eventually with a different colour or reference. If it’s impossible to find a replacement, you are entitled to a refund.

7. Liability
7.1 The products sold on ISOTOPE’s website have been designed to comply with all relevant UK legislation. We cannot warrant or represent that they comply with any legal requirement outside the UK and European Union.

8. Trade or Business Customers
The following conditions apply to orders placed by Trade or Business Customers. 690854

8.1 Orders may not be cancelled except with our mutual agreement and having been confirmed in writing by a Director of our company. We reserve the right to make cancellation and/or re-stocking charges.

8.2 Claims for missing or damaged items must be made within 2 days of delivery.

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