Retro diving watch men $ 190.32 Series: Classic Series Model: HMCG11 Power mode: fully automatic machinery Movement: Seiko SII-NH35A imported from Japan Time accuracy: average daily difference + 10 seconds/day Table mirror material: sapphire table mirror Table mirror coating: AR coating / blue anti-reflective coating / anti-fouling coating Case material: aluminum bronze alloy Case rotation: anti-reverse rotation Lug size: 22mm Crown material: aluminum bronze alloy Crown structure: screw-in lock waterproof type Strap material: silicone Clasp style: pin buckle Luminous material: Swiss super luminous powder Dial color: black Case back: Corroded shark mark Waterproof depth: 200m saturated diving waterproof Whole table size: about 47mmX47mm Overall thickness: 14.5mm Function display: single calendar Express way: SF Express Warranty time: two years warranty