The Journal
By Nick·October 16, 2026· 7 min read
Ressence Type 10 DN: In-House Caliber Meets Oil Display
By Nick·October 16, 2026· 7 min readThe Ressence Type 10 DN marks a significant milestone, integrating its first in-house RW-04 caliber into an oil-filled display. This seamless titanium monolith redefines intuitive time-telling.
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Ressence just dropped the Type Ten Dark Night, and it's a significant technical leap for the brand. This is their first oil-filled watch to feature an in-house movement, the Ressence Werk R W Zero Four.
This new model comes in a streamlined forty-one point five millimeter Grade Five titanium case, which weighs just eighty-two grams. That's exceptionally light, making it very comfortable on the wrist despite its diameter. True to Ressence form, there's no traditional crown; you wind and set the watch via a retractable system integrated directly into the caseback. The Type Ten has fifty meters of water resistance, making it suitable for daily wear and splashes, but it's not designed for swimming or diving. The case profile is also quite slim at just eleven point seven millimeters thick, which helps it wear smaller than its diameter might suggest.
Under the hood, the R W Zero Four movement is a self-winding caliber built with two hundred fifty-two individual components. It operates at a frequency of twenty-eight thousand eight hundred vibrations per hour, or four hertz, and delivers a sixty-hour power reserve when fully wound. Its unique triangular architecture was developed specifically to integrate seamlessly with Ressence's signature display system.
The oil-filled R O C S Ten display module, which itself contains one hundred ninety-six components, provides a continuously shifting layout that'll make any dialhead look twice. This innovative display shows the hours, minutes, a one hundred twenty-second runner, a second time zone, and a useful oil temperature indicator. A sophisticated magnetic transmission system connects the dry movement to the wet display module, keeping them completely sealed from each other. The oil fill eliminates visual distortion and total internal reflection, making the indications appear to be printed directly on the sapphire crystal for exceptional, almost three-dimensional legibility from any angle.
Limited to one hundred pieces worldwide, the Ressence Type Ten Dark Night will be available starting in November of twenty twenty-six. It carries a price of about forty-eight thousand two hundred sixty dollars.
For the full breakdown and more details, head over to the Veloce Journal.
Ressence Type 10 DN: In-House Caliber Meets Oil Display — watch the reel or listen to the full narration.
IN THIS ARTICLE
The Ressence Type 10 DN arrives with a price of CHF 45,000 (approximately $48,260 USD) and a significant technical update for the brand. Limited to just 100 pieces and officially available starting November 2026, it is the first oil-filled Ressence powered by an in-house movement, the RW-04 calibre. This release packages the company's signature fluid dynamics into a seamless 41.5mm titanium case.
41.5mmCase
CHF 45KPrice
60hPower Reserve
5 ATMWater Res.
The Type 10 represents a move toward full mechanical integration for Ressence. Where earlier models built upon existing movement bases, this watch uses a proprietary engine designed specifically for its unique display architecture. The result is a complex machine with a simple, intuitive face.
At its core is the Ressence Orbital Convex System (ROCS), a display module where discs rotate to indicate the time. This system is submerged in oil, which eliminates visual distortion and creates the illusion of graphics projected directly onto the sapphire crystal. The entire object is designed to feel like a single, seamless form.
Ressence Type 10: A Monolith of Titanium and Sapphire
Ressence describes the design of the Type 10 DN as a "monochromatic monolith." The case, dial, and integrated strap share a deep blue "Dark Night" tone. This approach aims to visually dissolve the boundaries between components, creating a unified object.
The case measures 41.5mm in diameter and is crafted from polished Grade 5 titanium. This alloy is chosen for its high strength-to-weight ratio, allowing the entire watch to weigh just 82 grams despite its mechanical complexity. Machining and polishing Grade 5 titanium is more difficult than working with stainless steel.
True to Ressence's philosophy, the Type 10 has no crown. Time-setting functions are managed through the caseback. This maintains the smooth, pebble-like shape of the case and forces a more deliberate interaction with the watch.
The Caseback Setting System
Winding and setting happen via a mechanism integrated into the back of the watch. The Ressence Compression Lock System secures the case, providing a water resistance of 5 ATM (50 meters). The RW-04 movement is visible through a donut-shaped sapphire window on the caseback.
This 5 ATM rating is suitable for daily exposure to water, like handwashing or rain. It is not designed for swimming or diving, distinguishing its purpose from more robustly sealed tool watches.
The Engine Room: Ressence Werk RW-04
At the heart of the Type 10 is the Ressence Werk RW-04, a self-winding caliber designed and developed in-house. It consists of 252 individual components and uses two barrels to provide a 60-hour power reserve. This is the first time an in-house Ressence movement has been used in one of their oil-filled watches.
The architecture of the RW-04 moves away from the traditional round shape of most watch movements. Instead, it features a distinctive triangular layout defined by the two barrels and a central balance wheel. This structure was developed specifically to integrate with the ROCS display system.
The movement operates in a sealed chamber filled with air. It does not directly connect to the hands or discs you see on the dial. Its job is to generate the timekeeping information and transmit it through a non-physical barrier.
The Type 10 operates with two distinct, sealed environments. The 252-component RW-04 movement beats in air, while the 196-component ROCS 10 display glides in oil, connected only by magnetic force.
How It Works: The Oil-Filled ROCS 10 Display
The dial of the Type 10 is the ROCS 10 module, a self-contained unit with 196 components, including 49 gears and 47 jewels. This entire assembly is submerged in oil and serves as the watch's animated display. The continuously shifting layout of the ROCS 10 is the kind of kinetic display that will make any dialhead look twice. It explicitly features a second time zone, a 120-second runner, and an oil temperature indicator designated by color.
Motion is transferred from the dry RW-04 movement to the wet ROCS 10 module via magnetic transmission. Micro-magnets on a disc driven by the movement mirror a corresponding disc inside the oil chamber. This system allows the two modules to be completely sealed from one another.
A Dial Carved from Titanium
The minute track is a key design element. It is composed of 24 titanium segments that alternate between sandblasted inserts filled with luminous paint and larger, linearly brushed surfaces. The direction of the brushing shifts by 30 degrees between segments, creating a dynamic play of light as the watch moves.
The oil fill is critical to the watch's legibility. It cancels out the light refraction between the crystal and the dial, making the indicators appear to be on the very surface of the glass. This creates an exceptionally clear display from nearly any angle.
Place in the Ressence Universe
The Type 10 builds on principles Ressence has developed over more than a decade. We've previously covered The Ressence Type 5: A Dive Watch from the Future, which applied the oil-filled ROCS system to the specific demands of a dive watch, including extreme pressure resistance.
The Type 10 takes that same foundational technology—the magnetic transmission, the orbital display—and presents it in a form the brand positions as a "daily companion." The focus shifts from pure tool-watch function to a more integrated, seamless aesthetic. The introduction of the in-house RW-04 caliber is the main technical step forward.
Full Specifications
The Type 10 is a complex watch with 538 total components. This includes 47 jewels and 8 ball bearings distributed between the movement and display modules. Its architecture is a direct result of its function.
| Model | Ressence Type 10 DN |
| Case | 41.5mm polished Grade 5 titanium |
| Weight | 82 grams |
| Movement | Ressence Werk RW-04, self-winding |
| Power Reserve | 60 hours from two barrels |
| Display Module | ROCS 10 (Ressence Orbital Convex System), oil-filled |
| Functions | Hours, minutes, 120-second runner, second time zone, oil temperature indicator |
| Total Components | 538 (252 in movement, 196 in ROCS 10) |
| Water Resistance | 5 ATM / 50 meters |
| Crystal | Sapphire |
| Setting | Caseback setting system (no crown) |
| Strap | Integrated strap in "Dark Night" blue |
| Limitation | Strictly limited to 100 pieces |
| Availability | November 2026 |
| Price | CHF 45,000 (approx. $48,260 USD) |
Frequently Asked Questions
How do you set a Ressence Type 10 without a crown?
The watch is set and wound using a system integrated into the caseback. This eliminates the need for a traditional crown, preserving the watch's seamless, pebble-like shape and requiring a more hands-on interaction from the owner.
What is the purpose of the oil in a Ressence watch?
The oil inside the ROCS display module serves two main functions. Optically, it eliminates reflection and distortion, making the dial appear to be printed on the surface of the crystal for perfect legibility. Mechanically, the fluid compensates for pressure changes and lubricates the display components.
Is the Ressence Type 10 a dive watch?
No, it is not. The Type 10 has a water resistance rating of 5 ATM, which is equivalent to 50 meters. This makes it suitable for everyday wear and exposure to splashes or rain, but not for swimming or diving.
What is the price of the Ressence Type 10?
The official retail price for the Ressence Type 10 DN (Dark Night) model is CHF 45,000 (excluding taxes), which converts to approximately $48,260 USD.
What is the ROCS system in a Ressence watch?
ROCS stands for Ressence Orbital Convex System. It is the brand's patented time display module, where indications for hours, minutes, and other functions are shown on rotating discs that orbit each other within a main disc. It replaces a traditional static dial and hands.
The Takeaway
The Ressence Type 10 is designed for a collector focused on avant-garde engineering and novel user interfaces. By integrating its in-house RW-04 caliber with the established oil-filled ROCS system, it marks a key step for the brand towards complete technical independence and a more refined design language.
GALLERY
WRITTEN BY
Nick
I originally started VELOCE to put my skills to work, hone my app design and web development practices, and dive deeper into the world of horology. I wanted to learn more about the watches, the brands, and the incredible people behind them - the creators, the designers, and the collectors. I love discovering new timepieces and sharing their stories with the world. VELOCE is my ultimate passion project and hobby, the creative space I head to after my full-time job to build something I truly care about.
