The Belgian watchmaker has just cracked a significant milestone! Teaming up with Concepto, they have developed their first in-house movement.
Of all the independent watchmakers out there, perhaps none is as delightfully oddball as Ressence. The independent brand from Antwerp has carved out a niche entirely its own, producing watches that neither look nor function like anything else in the world. Despite often not knowing what the heck is going on inside the complex machines they make, I and many others have fallen victim to the brand’s strange charm.
Let’s face it: not every brand is filling their watches with oil, and fewer still are displacing their dials and making them orbit. Yet both these elements are what Ressence has become famous for, largely thanks to their proprietary ROCS module. Attached to a heavily modified ETA calibre, it transformed the base movement from a standard ébauche into a neo-futuristic masterpiece. As evidenced by Watches & Wonders 2026, Ressence still wanted to take things further. This year, the brand has teamed up with La Chaux-de-Fonds’ Concepto Watch Factory to deliver the new Type 11, now with a fully in-house movement.
Minimalistic, Futuristic
The Type 11 retains the familiar proportions and ergonomic sensibility that define Ressence’s design ethos. Sized at a 41mm case diameter, 45mm lug-to-lug, and 11mm thick, it ensures a careful balance between wrist presence and wearability. Ease of use is bolstered by the chosen case material: Grade 5 titanium, permitting a featherlight wearing experience while promoting added resistance to shock and corrosion. The case has a smooth, pebble-like form, flowing seamlessly into the domed sapphire crystal. This fluid, organic construction is a Ressence signature, backed up by a reasonable 30m of water resistance.
The absence of a traditional crown also helps preserve the case’s clean silhouette. Instead, winding and time-setting are managed via a redesigned hinged lever integrated into the caseback, simplifying the previously challenging and slippery disc system. The watch can be paired with a range of strap options, including leather, rubber, and a hybrid combination of the two, as well as a titanium Milanese mesh bracelet. If it were me, I’d go for that titanium Milanese mesh. I’m a sucker for those bracelets, and seeing one in titanium is exceptionally rare in itself.
Caught In The Orbit
From the dial side, the Type 11 is still recognisably Ressence, but with a few added tricks up its sleeve. The dial, crafted from convex Grade 5 titanium, is offered in three distinct colours: a beige finish entitled ‘Latte’, a blue ‘Sky’, and a green ‘Pine’ rendition. Nothing on the dial remains static, as it serves as the stage for the ROCS system. Hours, minutes, and seconds are displayed separately via orbiting discs that move simultaneously, almost hypnotically so.
A new and interesting addition to the Type 11 is its patented power reserve indicator, which uses a series of ceramic micro-balls in contrasting tones. As the watch winds, white balls emerge while dark blue ones recede; as power diminishes, the process reverses.
The exact level of power is indicated by a single yellow ball caught in the tug of war between the white and blue. For a watch that often eschews dimensionality with its reflection-less, oil-filled display, it’s a novel and welcome addition. Not to mention that friction won’t be a problem, especially when the balls are constantly lubricated.
The New In-House Movement ROCS
At the heart of the Type 11 lies the Calibre Werk RW-01, a movement that represents a fundamental departure from Ressence’s previous ETA-based calibres. Designed in Belgium and developed in collaboration with the Concepto Watch Factory, the RW-01 has been engineered specifically to power the ROCS system with maximum efficiency and reliability. Unlike earlier configurations, where the movement and display operated as distinct entities, the RW-01 integrates both into a single mechanism. This makes the Calibre Werk RW-01 far more cohesive, durable, and higher performing than anything else in Ressence’s catalogue.
Technically, the movement meets the expectations of a modern high-end calibre. Operating at the luxury-standard 4Hz (28,800VpH), it delivers a robust 60-hour power reserve, supported by a dual-barrel system. Despite this level of sophistication, the RW-01 remains focused on functionality rather than ornamentation, hence the restrained finishing and largely closed caseback. However, a small aperture on the caseback offers a glimpse of the movement’s automatic rotor, a rarity in Ressence models. The fact that even a sliver of the movement is visible only cements the significance of its implementation.
Initial Thoughts
It’s always a fun time seeing a new Ressence release. Having covered the brand a handful of times now, I’ve come to appreciate the effort their craftsmen go to in producing such a unique timepiece, both in function and form. That said, I always felt the reliance on ETA calibres was holding back their true potential, even if it never stopped them from integrating their ingenious mechanics atop those reliable movements.
Now that the Type 11 introduces an in-house movement, the gloves are finally off for Ressence. The Calibre Werk RW-01 is more than just a new movement; it’s a statement of intent for the brand’s future. With the marriage of base and module into one cohesive system, Ressence has opened the door to a whole host of new and outlandish possibilities. It’s full steam ahead from here, and I intend to be on that hype train when it leaves the station.
References: Ressence Type 11 Latte (Beige) / Pine (Green) / Sky (Blue)
Specifications:
| Dimensions | 41mm case diameter x 45mm lug-to-lug x 11mm thickness |
| Case | Titanium |
| Dial | Oil-filled, grained beige / green / blue with white, blue, & yellow ceramic micro-balls |
| Crystal | Sapphire |
| Caseback | Semi-Open sapphire |
| Movement | Automatic Cal. Werk RW-01 with ROCS system containing satellite hours, seconds, & power reserve indication complications |
| Power Reserve | 60h |
| Beat Rate | 4Hz / 28,800VpH |
| Water Resistance | 30m / 3bar |
| Strap/Bracelet | Four options: Colour-matched calfskin leather, rubber, rubberised leather, or titanium mesh bracelet with titanium pin buckle |