Compare Studio
178240 vs 278274
Differences are highlighted. Rows where both references share a value are dimmed.
| Specification | ||
|---|---|---|
| Production | 2009–2018 | 2018–present |
| Era | Mid-size 31 | Mid-size 31 modern |
| Status | discontinued | current |
| Case diameter | 31mm | 31mm |
| Case material | Stainless steel | Stainless steel + white gold bezel |
| Bezel | Smooth or fluted | Fluted white gold |
| Crystal | Sapphire with Cyclops | Sapphire with Cyclops |
| Caliber | 2235 | 2236 |
| Manufacturer | Rolex | Rolex |
| Winding | automatic | automatic |