Caliber: 31681.AS, manual winding chronograph, partially hand-engraved and refined, blued screws, 23 jewels, power reserve approx. 42 hours, 36 hours if chrono feature is turned on
Function: Hours, minutes, decentralized second hand, decentralized minute counter, chrono and summing up function, day and night indicator at 6 o’clock, date
Case: Stainless steel, 5 atm water-resistant
Diameter: 39 mm
Height: 13.2 mm
Glass: Sapphire glass on both sides, anti-reflective of front
Dial: Black mother-of-pearl
Hands: Silver-colored
Strap: Stainless steel Milanese strap with folding clasp
