Chronograph Type 21

TECHNICAL SPECIFICATIONS

-> 316L stainless steel case, 41.50 mm in diameter, 13,70 mm in thickness, polish finish, water resistant to 10 bars

-> Hands and dial with SuperLumiNova C3 luminescent covering 

-> Unidirectional ratchted rotating bezel -> Scratch-resistant upper sapphire glass, case-back with hardened Mineral Glass

-> Black calfskin handmade with butterfly claps (other strap in option)

-> Swiss Made mechanical movements : Dubois-Depraz 42021 3 totalisators version), 57 jewels bearings, 28800 A/H (4 Hz), 1/5 second chronograph, incabloc shock absorber device and second stop device

-> Sophisticated timing setting element : three legged Glucydur balance, Nivarox flat spiral, Etachron fine adjustment

-> Meticulous craftsmanship decoration : «Cote de Genève» finish on windingmechanism, polished-surfacing with chamfered bridges, blues screws, Bridge rhodium finishing, Colimaçon décoration on Barrel

-> three chronograph totalisators (hours, minutes and seconds), flyback and day

-> Bidirectional winding ball-bearing central rotor

-> 42-hours power reserve, self winding