COSC and Ulysse Nardin Performance Certificate. 60 hours power reserve indicator. Oversized seconds-hand. Date. Self-winding. Silicium and Diamonsil Technology. Caliber UN-118. 43mm. 18ct rose gold case.Water-resistant to 100m.Screw-down security crown. Sapphire crystals. Rubber strap with 18ct rose gold element and deployant clasp.