AQUAMAT Automatic MKS805S blackDetails:Watchcase: Made of stainless steel 316 L. Black turning ring PVD. Dimensions: 44mm in diameter, 11mm thick (without crown) Underside: Stainless steel with engraver and etched mark. Face: blackDigits: Applied staffs with flourescent insert Hands: Hour/minute/second hand made of steel with flourescent insert. Minute hand red or black. Glass: Crystal glass, flat Crown: Bolted, Fluted with emblem Strap: Silicon Diver strap with stainless steel fastener and engraved logo. Mechanism: KS Automatic CAL K 028.021, 21 Jewels Functions: Hours, minutes, centralised seconds, date. Waterproof: 20 ATM Extra: 21600 Half-cramps per hour, 3,5Hz. Reserve 38-42 Hours.Turning ring with fluorescent point and diver scale 2000 pieces in limited version 2007