Brand: Omega Series: Constellation (Female) Name: Constellation White Gold White Mother-of-Pearl/Diamond Dial White Leather Model number: 123.57.35.20.55.005 Back: Transparent Bezel: Fixed Bracelet: White Leather Case: White Gold Clasp: Deployant Clasp Dial: White Mother-of-Pearl/Diamond Dimensions: 35 mm mm Crystal: Sapphire Power reserve: 48 h Water Resistant: 100 m Engine: Omega Caliber 2500 ID: 005328