166.077, Mark 2
Seamaster PloProf 166.077 — 166.077, Mark 2
1973–?
1973 update with a new dial print. Antiquorum sold a “Seamaster 600 Professional” made circa 1973 (movement 33,131,598) on the Milanese mesh bracelet.
HODINKEE notes that over 60% of PloProfs serviced at Omega in Bienne had swapped movements, and that service dials, hands and bezels are common.
Identifying details
Variants of 166.077
Reference overview →| Variant | Production |
|---|---|
| 166.077, Prototype | 1968–c. 1970 |
| 166.077, Prototype · 166.077, COMEX Janus Prototype (Blue Dial, Red Locking Nut) | 1968 |
| 166.077, Prototype · 166.077, R&D Prototype with Caliber 1001 | 1970 |
| 166.077, Prototype · 166.077, Titanium Prototype | Undated |
Case & movement
- Reference
- 166.077
- Production
- 1973–?
- Case material
- Stainless steel
- Case size
- 45 × 54 mm
- Water resistance
- 600 m
- Crystal
- Chemically hardened mineral glass
- Movement
- Automatic
- Date
- Yes
More specifications (1)
- Caliber
Movement
Omega 1002
High-beat automatic with date and hacking seconds; the only caliber Omega fitted to the Seamaster 600 PloProf, also used in the Seamaster 120 166.091.
Automatic · 28,800 vph · 20 jewels · 42 h reserve