Compare Studio
145.022 vs 310.30.42.50.01.001
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| Specification | ||
|---|---|---|
| Production | 1968–1988 | 2021–present |
| Era | Caliber 861 transition | Caliber 3861 (sapphire) |
| Status | discontinued | current |
| MSRP | — | $7,600 (2023, sapphire sandwich) |
| Case diameter | 42mm | 42mm |
| Case material | Stainless steel | Stainless steel |
| Bezel | Tachymeter (dot-over-90 on early examples) | Tachymeter |
| Bezel material | Black aluminium | Black aluminium (anodised) |
| Crystal | Acrylic (Hesalite) | Sapphire (sapphire caseback) |
| Caseback type | Screw-down solid, engraved | Display (sapphire) |
| Water resistance | 50m | 50m |
| Dial | Black | Black (step dial) |
| Dial text | 'Professional'; stepped and flat dial variants | — |
| Hour markers | — | Applied Omega logo |
| Hands | Straight (baton) | Straight (baton) |
| Lume | Tritium | Super-LumiNova |
| Lume type | Tritium | Super-LumiNova |
| Movement | Manual chronograph | Manual chronograph |
| Caliber | 861 | 3861 |
| Manufacturer | Omega (Lemania base) | Omega |
| Winding | manual | manual |
| Power reserve | ~48 hours | ~50 hours |
| Frequency | 21,600 vph | 21,600 vph |
| Jewels | 17 | — |
| Complications | Chronograph, tachymeter | Chronograph, tachymeter |
| Functions | Chronograph, tachymeter | Chronograph, tachymeter |
Compare 145.022 with another generation