Rolex Perpetual 28
Oyster, 28mm, Oystersteel55
Make the world your Oyster
The Oyster Perpetual 28 with a bright black dial and an Oyster bracelet.
Specs
Model case
Oyster, 28 mm, Oystersteel
Oyster architecture
Monobloc middle case, screw-down case back and winding crown
Diameter
28 mm
Material
Oystersteel
Bezel
Domed
Winding crown
Screw-down, Twinlock double waterproofness system
Crystal
Scratch-resistant sapphire
Water resistance
Waterproof to 100 metres / 330 feet
Movement
Movement
Perpetual, mechanical, self-winding
Calibre
2232, Manufacture Rolex
Precision
-2/+2 sec/day, after casing
Functions
Centre hour, minute and seconds hands. Stop-seconds for precise time setting
Oscillator
Syloxi hairspring in silicon with patented geometry. High-performance Paraflex shock absorbers
Winding
Bidirectional self-winding via Perpetual rotor
Power reserve
Approximately 55 hours