CASE Material 4N 18K Rose gold and grade 5 titanium with black DLC finish Diameter 44 mm (excluding crowns) Thickness 19.9 mm Crown at 3 o’clock In position 1, winds the movement In position 2, adjusts the time Crown at 9 o’clock Hour increment by pressing the push-button Glass Anti-reflective sapphire crystal glass on dial and case back Water-resistance 3 ATM (30 m - 100 ft) STRAP Material Black alligator leather strap Clasp Customized folding clasp in Black DLC Titanium DIAL Microbillé finish, black DLC treatment, engraved triangle motif Arched bridge with gold microbillé finish, beveled and polished edges Sweeping retrograde minute and retrograde hour arc with microbillé finish Hour/minute hands: exclusive design, 4N gold plated with polished edging 5mm power-reserve sphere with microbillé finish FUNCTIONS Retrograde jumping hours Retrograde sweeping minutes Seconds on the tourbillon cage Power reserve MOVEMENT Calibre In-house manufactured hand-winding movement, calibre CYR625 Number of components 344 Number of jewels 51 Frequency 3 Hz Vibrations per hour 21.600 Escapement Swiss pallet fork escapement Balance Wheel Variable-inertia balance wheel Winding Barrels Two parallel barrels with black lacquered ratchet-wheels and Cyrus logo Power reserve 100-hour Bridges Slightly curved sunray pattern, polished and opaque, sandblasted effect, grey NAC galvanic treatment on the surfaces. TOURBILLON CAGE Material Steel Number of parts 52 Weight 0.706 g Central tourbillon Central tourbillon on vertical axis at a 90° angle Rotation Complete rotation in 1 minute