Compare Studio
DiaStar 1 (1962) vs R12161653
Differences are highlighted. Rows where both references share a value are dimmed.
| Specification | ||
|---|---|---|
| Nickname | The original scratchproof watch | DiaStar Original Automatic |
| Production | 1962 | — |
| Era | Original hardmetal era | Modern production |
| Status | discontinued | current |
| Case diameter | — | 38mm wide, 45mm long |
| Thickness | — | 12.1mm |
| Case material | Hardmetal (tungsten carbide in a metal binder) | Stainless steel with PVD treatment; Ceramos bezel |
| Construction | Oval case with a wide, flat, faceted bezel — the geometry that makes the material legible, because a broad flat surface shows scratching where a curved one hides it | Oval case in the 1962 geometry |
| Bezel material | — | Ceramos (a ceramic-metal composite) |
| Crystal | Sapphire | Sapphire |
| Water resistance | — | 100m |
| Dial configuration | Baton markers with the freely rotating Rado anchor at twelve | Rotating anchor at twelve; day and date |
| Movement | Automatic | Automatic |
| Caliber | — | Rado R764 |
| Manufacturer | Third-party Swiss ébauche, finished for Rado | ETA (Swatch Group) for Rado |
| Winding | automatic | automatic |
| Power reserve | — | 80 hours |
| Frequency | — | 21,600 vph |
| Complications | — | Day, date |