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6263 vs 6239
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| Specification | ||
|---|---|---|
| Nickname | — | Paul Newman |
| Production | 1969–1987 | 1963–1969 |
| Era | Screw-pusher Oyster | First Cosmograph |
| Status | discontinued | discontinued |
| Case diameter | 37mm | 37mm |
| Case material | Stainless steel (also gold) | Stainless steel |
| Bezel | Black acrylic tachymeter | Engraved metal tachymeter |
| Crystal | Acrylic | Acrylic |
| Crown | Screw-down crown and screw-down pushers | — |
| Caseback type | Screw-down solid (Oyster) | — |
| Water resistance | 100m | 50m |
| Dial | Black or white ('Big Red' Daytona text) | Silver or black; exotic 'Paul Newman' variant |
| Hands | — | Baton |
| Lume | — | Tritium |
| Movement | Manual | Manual |
| Caliber | 727 | 722 / 722-1 |
| Manufacturer | Rolex (Valjoux base) | Rolex (Valjoux base) |
| Winding | manual | manual |
| Functions | Chronograph, tachymeter | Chronograph, tachymeter |
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