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228238 vs 228239
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| Specification | ||
|---|---|---|
| Nickname | President | President |
| Production | 2015–present | 2015–present |
| Era | 40mm yellow gold | 40mm white gold |
| Status | current | current |
| Case diameter | 40mm | 40mm |
| Case material | 18k yellow gold | 18k white gold |
| Bezel | Fluted | Fluted or smooth |
| Crystal | Sapphire with Cyclops | Sapphire with Cyclops |
| Caliber | 3255 | 3255 |
| Manufacturer | Rolex | Rolex |
| Winding | automatic | automatic |
| Power reserve | ~70 hours | — |
| Functions | Hours, minutes, seconds, date, day | — |
| Bracelet | President | — |
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