Black Dial, White Counters
Oysterdate Big Block 79170 — Black Dial, White Counters
Undated
Black dial with white counters and a rotating 12-hour bezel. Tudor describes 79170 as the successor to 9421/0.
Documented specimen: 1992 (manufacturer museum example). This execution’s production span has not been established.
Identifying details
- Rotating 12-hour bezel
Variants of 79170
Reference overview →| Variant | Production |
|---|---|
| Black Dial, White CountersCurrent | Undated |
Case & movement
- Reference
- 79170
- Production
- Undated
- Case material
- Stainless steel
- Case diameter
- 40 mm
- Movement
- Automatic
- Date
- Yes
- Caliber
- Valjoux 7750
Dial, bezel & hands
- Dial colour
- Black with white counters
Movement
Valjoux 7750
Cam-operated automatic chronograph; used by Heuer from 1977 in the Kentucky, Montreal 750.503 and Pasadena.
Automatic · 28,800 vph