Weight (gr) 120 Resistance to water pressure Up to 10 bar water pressure (100 m / 330 ft) Case thickness 11.9 Case options aluminum bezel ring, engraved caseback Case length 45.50 Case width 45.50 Case Material 316L stainless steel case | horn width 22.00 Case shape ROUND Crystal Scratch resistant sapphire crystal glass Energy Quartz and EOL (battery life indicator) jewels 4 Model ETA G10.212 clock mechanism Swiss quartz Caliber 13 1/4''' Dial SDsnSLG (Hour Minutes small seconds Date) | Caliber Diameter (mm) 29.8 Battery battery type Renata 394 Functions 30-minutes and 1/10 of a second counters, ADD and SPLIT functions, central 60-seconds chronograph hand, EOL (battery end-of-life indicator) Strap details Skin Belt inner face Synthetic Belt structure Embossed Cowhide Clasp interchangeable quick release bracelet, standard buckle |