Urwerk UR-230

Case

• Material: Exclusive ceramic composite, developed with and for URWERK

• Dimensions: Width: 44.81 mm; length: 53.55 mm; thickness: 14.30 mm

• Glass: Transparent sapphire crystal

• Caseback: Black DLC-treated titanium and sapphire crystal glasses 

• Water resistance: Pressure-tested to 30 m/3 ATM

• Strap: Vulcanized rubber, “Kiska” reference. Velcro fastening

Movement: Calibre UR-7.30 developed by URWERK

• Winding: Modular automatic winding 

• Escapement: Swiss lever escapement

• Frequency: 28,800 vph - 4 Hz

• Balance: Variable inertia

• Jewels: 50

• Balance-spring: Flat

• Energy: Double barrel

• Power reserve: 48 hours

• Materials: Baseplate in ARCAP P40, 3D minutes pointer in aluminium with counterweight; Steel central spring; hours transporter in aluminium; central carrousel and screws in grade 5 titanium 

Functions: Hour-markers painted with Super-LumiNovaTM

• Structure finely 3D-engraved with a circular satin-brushed pattern

• Shotpeened satin-brushed subdial indications

• Finely sandblasted carrousel with a shotpeened, circular satin-finished and black rhodium-plated cage

• Finely sandblasted satellite cam with DLC coating

• Finely sandblasted anodised 3D hand

• Components hand-painted with Super-LumiNovaTM: yellow glowing blue for the hour-markers; yellow glowing blue for the automatic indication; red glowing green for the 60-minute marker and the OFF position of the automatic indicator; green for the ON indication.

• Polished screws  

Indications

• Wandering hours on a satellite complication (URWERK patent) 

• 3D retrograde minutes hand

• Aerodynamic winding regulation indication (Air Brake)

• Automatic winding status indication (On-Off)

Limited to 35 pieces