Weight (gr) 88 Resistance to water pressure Withstands water pressure up to 20 bar (200 m / 660 ft) Case thickness 12 Case options screw-down crown and caseback Case length 42.00 Case width 43.00 Case Material 316L stainless steel case horn width 20.00 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) Belt inner face Synthetic Belt structure Synthetic Strap details Silicon Clasp standard buckle |