The Ball Roadmaster Rescue Chronograph 41mm Limited watch model # DC3030C-S2-GR features: titanium case, brushed & polished titanium & stainless steel strap with a deployant clasp / buckle. It has a green dial, uni-directional bezel. The case size is 41mm. This automatic watch is powered by the caliber BALL RR1402 is a 28800 VPH movement and has a power reserve of 42 hours . The Ball DC3030C-S2-GR uses a sapphire crystal and has a water resistance of 100m/330ft.