Reference
278273
Model case
Oyster, 31 mm, Oystersteel and yellow gold
Bezel
Fluted
Water-resistance
Waterproof to 100 metres / 330 feet
Movement
Perpetual, mechanical, self-winding
Calibre
2236, Manufacture Rolex
Power reserve
Approximately 55 hours
Bracelet
Oyster, three-piece solid links
Dial
Silver set with diamonds
Certification
Superlative Chronometer (COSC + Rolex certification after casing)
Reference
278273
Model case
Oyster, 31 mm, Oystersteel and yellow gold
Bezel
Fluted
Water-resistance
Waterproof to 100 metres / 330 feet
Movement
Perpetual, mechanical, self-winding
Calibre
2236, Manufacture Rolex
Power reserve
Approximately 55 hours
Bracelet
Oyster, three-piece solid links
Dial
Silver set with diamonds
Certification
Superlative Chronometer (COSC + Rolex certification after casing)