• Product Features Special Series Engagement and Groom's Watch with 30 Mt Waterproof 2 Years Warranty Showing Ferro Calendar and Lensed Day Case Diameter: 41/45 MM Cord Material: Steel (No Darkening) Waterproof: 3 ATM ( 30 Mt Waterproof ) Dial Color: BLACK Case Color: SILVER Cord Color: SILVER Case Material: Ion Coating Mechanism: Quartz Dial Shape: Round Design Glass Shape: Flat Type: Men's Wrist Watch Glass Type: Crystal mineral