Origin Swiss Made Size/Diameter 36 mm Main Characteristics: Water Resistance 200 meters, 20 ATM Movement Ronda 505 HH6 Battery/Battery life 371 / 50 months Case PC carbon reinforced Bezel PC carbon reinforced, rotating, at 12h colored LLT protected by metalized mineral glass window Case back PC carbon fibre reinforced Glass Mineral glass hardened Crown Stainless steel 316L Height 11.80 mm Weight 39g Standard Strap FP.7050.20 20 mm, Black PU Signature strap with steel brushed signature buckle