Movement Automatic Caliber/movement 2236 Base caliber Rolex 3135 Power reserve 55 h Number of jewels 31 Case material Steel Case diameter 31 mm Water resistance 10 ATM Bezel material White gold Crystal Sapphire crystal Dial Silver Dial numerals No numerals Bracelet material Steel Bracelet color Steel Clasp Fold clasp Clasp material Steel Functions Date Documents: Dealer Invoice and guarantee card for 12 month , No original documents Box: No original box Delivery immediately by express courier