Tudor Oysterdate Chronograph
Tudor's 1970s-80s chronograph line, nicknamed "Monte Carlo" (manual-wind, early 1970s) and "Big Block" (automatic, from 1976).
2 references
“Differs” marks a spec with different recorded values. — means not recorded.
| Spec | 7149 Oysterdate Chronograph "Monte Carlo" | 94200 Chrono Time ("Big Block") |
|---|---|---|
| Case size | 40 mm | 40 mm |
| Lug width Differs | 19 mm | 20 mm |
| Case Differs | Stainless steel, tonneau | Stainless steel, round |
| Bezel Differs | bakelite insert fixed | steel fixed |
| Crystal | acrylic | acrylic |
| Water resistance | 50 m | 50 m |
| Caliber Differs | 7734 | 7750 |
| Movement maker | Valjoux | Valjoux |
| Movement type Differs | Manual | Automatic |
| Jewels Differs | 17 | 25 |
| Frequency | Not recorded | 28800 vph |
| Power reserve | Not recorded | 42 h |
| Complications | chronograph, date | chronograph, date |
| Dial Differs | grey / blue | black / silver |
| Indices Differs | luminous baton | applied baton |
| Lume | tritium | tritium |
| Hands Differs | baton, orange | baton, white |
| Bracelet | steel Oyster bracelet | steel Oyster bracelet |
| Produced Differs | 1971–1977 | 1976–1991 |