G Shock GM 2100 (GM 2100MF 5ADR) Yellow gold when the workout is done when the workout is done Minutes and Seconds Chronograph: Central Chronograph Seconds' Hand 30 Minute Counter at 3 o'clock Power Reserve: 48 Hours Frequency: 28'800 vib h (4 Hz) Jewels: 27 Jewels System: Semi Skeleton Column Wheel Chronograph Case Diameter: 44mm Height: 14mm Material: Titanium Bezel: Titanium Inner Ring: Light Blue PVD Titanium Crown and Pushers: Light Blue PVD Titanium Caseback: Transparent Smoked Sapphire Crystal Crystal: Sapphire with Anti Reflective Treatment Water resistance: 100m (10atm) Dial Dial: Light Blue Crystal with Titanium Details Hands: Rhodium Plated Skeleton and White Chronograph Hands Strap Bracelet Strap: Honeycomb Rubber Clasp: Titanium Deployment Buckle Limited Edition Individually Numbered Pieces Gender Unisex Origin Switzerland Specification Details Gender Men Watch Type Analog Digital Collection G SHOCK Series GM 2100 For Male Country of Origin THAILAND Warranty 2 Year National Warranty ( 1St Year International Warranty ) Glass Material Mineral Water Resistance Yes Dial Colour Silver Case Material Resin Stainless steel Case Shape Octagonal Weight 72g Case Size 49 8mm Band Material Resin Band Colour Brown Features Alarm (s) Auto Calendar Countdown Timer Hand Shift Feature Hourly Time Signal LED Light Neobrite Hands Shock Resistant Stopwatch Water Resistance World Time Search Tags Gm 2100Mf 5Adr G Shock Mens Watch