Hours, minutes, small seconds, chronograph, tachymeter
CYS 8100, base Valjoux 7753, 13 ¼ ’’’, automatic, diameter 30 mm, height 7.9 mm, power reserve 48 hours, 27 jewels, frequency : 21600 A/h, rotor with fan decoration and CyS engraving
Stainless steel, diameter 42 mm, height 12 mm, double curved sapphire crystal with anti reflective coating, water resistant to 3 ATM, screwed see-through case back with sapphire crystal
Small second counter and chronograph functions : 60 seconds counter on center, 30 minutes counter, 12 hours counter, date, hours printed in black or white and tachymeter in red or white, CyS emblem printed.
Breguet hours and minutes, hands in silver color, central seconds hand red color with big arrow and vintage CyS design. Counter hands in silver color and vintage CyS design
Stainless steel folding buckle, engraved CyS emblem