Reference
52509
Model case
39 mm, 18 ct white gold, polished finish
Bezel
Domed and fluted
Water-resistance
Waterproof to 50 metres / 165 feet
Movement
Perpetual, mechanical, self-winding
Calibre
7140, Manufacture Rolex
Power reserve
Approximately 66 hours
Bracelet
Leather strap
Dial
Intense black
Certification
Superlative Chronometer (COSC + Rolex certification after casing)
Reference
52509
Model case
39 mm, 18 ct white gold, polished finish
Bezel
Domed and fluted
Water-resistance
Waterproof to 50 metres / 165 feet
Movement
Perpetual, mechanical, self-winding
Calibre
7140, Manufacture Rolex
Power reserve
Approximately 66 hours
Bracelet
Leather strap
Dial
Intense black
Certification
Superlative Chronometer (COSC + Rolex certification after casing)