Our Expertise

At the heart of my venture lies my latest creation: a jump hour watch that's as much a masterpiece of precision as it is a testament to innovation. With a chronograph feature that captures the essence of time's fleeting moments, this watch is a symphony of form and function. The unique "bullhead" shape of the watch is a testament to my love for bold and innovative designs that challenge convention and make a statement.

Key Features

deRhenum 1 features jumping hours, moving minutes, a day and date display, and a precise 1/8th-second chronograph, all conveniently shown on the face.

Additionally, it includes an always-turning compass and a back showcasing a world map with 24 time zones, adjustable by the rotor. The bezel is equipped with a tachymeter for added functionality.

Dial Size

Instilled with the essence of precision, our dial showcases a 43.9mm diameter, a 15mm height, and a 47mm top-to-bottom dimension, perfectly harmonizing durability and sophistication in one seamless design.


Designed for lasting durability, the watch features a case and chrono pushers expertly crafted from 316L steel, ensuring both strength and sophistication. The anti-reflective sapphire crystals on the front and back provide exceptional clarity, allowing for effortless appreciation of the intricate details.


Embrace comfort and style with our timepiece featuring a high-quality cow leather band, ensuring a luxurious yet durable wearing experience. With a 22mm width at the case, the deRhenum 1 seamlessly combines robust craftsmanship with a touch of refined sophistication.


Powered by the automatic Lajoux Perret L100 movement, meticulously modified to meet our exacting standards, our watch boasts an in-house developed 3mm high jump hour module, complemented by 34 jewels for unparalleled precision and durability.

Color Design

deRehenum 1 features a captivating midnight blue dial adorned with striking bright orange and white indices, creating a harmonious blend of bold and refined aesthetics

Power reserve

Eensuring an impressive 60-hour power reserve. This extended power reserve exemplifies our commitment to providing enduring precision and reliability, reflecting our dedication to quality and performance.


Crafted for comfort and everyday wear, our timepiece weighs a mere 110 grams, including the band, ensuring a lightweight and unobtrusive experience for your wrist.


Designed to withstand your active lifestyle, our watch is built to be water-resistant up to 5 bar, ensuring reliable protection against water splashes and brief immersions, making it the perfect companion for your everyday adventures.


Potential buyers can express their interest in purchasing the watch via the website or email. They are asked to sign a form indicating that they seriously intend to purchase the watch. There must be a minimum of 50 buyers before the watch can be produced.

Once the threshold of 50 potential buyers has been reached, the watches will actually be built and the buyers will be notified. Sales are via 'sous prescription'. This means that 50% of the purchase price must be paid in advance. The remaining 50% must be paid just before delivery of the watch.

The exact sales price is not yet known.