Reference
128238
Model case
Oyster, 36 mm, yellow gold
Bezel
Fluted
Water resistance
Waterproof to 100 metres / 330 feet
Movement
Perpetual, mechanical, self-winding
Calibre
3255, Manufacture Rolex
Power reserve
Approximately 70 hours
Bracelet
President, semi-circular three-piece links
Dial
Champagne-colour
Certification
Superlative Chronometer (official chronometer certification + Rolex certification after casing)