42mm, 100 meter/10 ATM custom solid stainless steel case, fixed stainless steel bezel, hardened mineral crystal, triple gasket stainless steel crown with enamel fill, double gasket stainless steel pushers, stainless steel screw down caseback and spring pin lugs. Details Watch Size: 42mm Watch Case Material: Stainless Steel Watch Case Thickness: 12mm Watch Crystal Material: Hardened Mineral Watch Movement Type: Quartz Water Rating: 100 Meter / 10 ATM Lug Measurement: 23mm Band Material: Leather Band Connection: Spring Bar Band Type: Free Swing A1391