

The Omega Speedmaster Moonwatch Professional is a Swiss-made icon with a manual-winding chronograph movement. Its 42mm steel case houses the Calibre 3861, offering 50 hours of power reserve. Wind it daily for precise timekeeping and full chronograph functionality.
OMEGA watch
| Case | 100% steel |
| Bezel | 100% anodised aluminium |
| Strap | 100% steel |
| Style number | 310.30.42.50.01.002 |
| Movement | manualwinding movement |
| Fastening | Foldover clasp with comfort setting |
| Glass | Domed, scratchresistant sapphire crystal with antireflective treatment inside |
| Dial | black |
| Hands | Brass Nickel with White Paint and Super-LumiNova |
| Indexes | Rhodium-plated with Super-LumiNova |
| Calibre | Omega 3861 |
| Power reserve | 50 hours |
| Technical details | Anti-magnetic, chronograph, chronometer, master chronometer certified, small seconds, tachymeter, transparent caseback |
| Case Diameter | 42 mm |
| Between lugs | 20 mm |
| Lug to lug | 47.50 mm |
| Thickness | 13.18 mm |
| Water resistance | 5 bar / 5 atm / 50m / 165ft |
| Made in | Switzerland |
| Care | please refer to the brand's instructions |