Omega 231.13.39.21.57.001
Features
Diamonds
Chronometer
Date
Anti-magnetic
Small seconds
Transparent case back
Technical Data
Between Lugs: 19 mm
Bracelet: leather strap
Case: Steel
Case Diameter: 38.5 mm
Dial colour: Grey
Crystal: Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
Water resistance: 15 bar (150 metres / 500 feet)