Calibre 2231 is a self-winding mechanical movement entirely developed and manufactured by Rolex. Like all Rolex Perpetual movements, the 2231 is a certified Swiss chronometer, a designation reserved for high-precision watches that have successfully passed the Swiss Official Chronometer Testing Institute (COSC) tests. Its architecture, in common with all Oyster watch movements, makes it singularly reliabl

11 other watches in the library run the Rolex 2231.

Rolex - 177200-0018 Oyster Perpetual 31 Dark Grey Roman

Ref. 177200-0018 · 31 mm

Rolex - 176200-0004 Oyster Perpetual 26 Pink Explorer

Ref. 176200-0004 · 26 mm

Rolex - 176200-0011 Oyster Perpetual 26 White Explorer

Ref. 176200-0011 · 26 mm

Rolex - 177200-0015 Oyster Perpetual 31 Blue Azzurro Roman

Ref. 177200-0015 · 31 mm