Rolex Oyster Perpetual Datejust 31mm
Rolex Oyster Perpetual Datejust 31mm
Description
Case:
Diameter: 31 mm.
Oystersteel.
Domed bezel.
Monobloc middle case.
Screw-down case back and winding crown.
Twinlock double waterproofness system.
Waterproof to 100 metres / 330 feet.
Dial:
White lacquered with Roman numerals.
Cyclops lens over the date.
Scratch-resistant sapphire crystal.
Movement:
Perpetual, mechanical, self-winding.
Calibre 2236, Manufacture Rolex.
Precision of -2/+2 sec/day, after casing.
Syloxi hairspring in silicon with patented geometry.
High-performance paraflex shock absorbers.
Bidirectional self-winding via perpetual rotor.
Superlative chronometer (COSC + Rolex certification after casing).
Power reserve of 55 hours.
31 jewels.
Frequency: 28,800 vibrations per hour.
Bracelet:
Oystersteel.
Oyster, flat three-piece links.
Folding oysterlock safety clasp with easylink 5 mm comfort extension link.
John Smith –
I like this watch. Thank you Swiss Gallery CA.