这是附加信息
Model case
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Model case
Oyster, 40 mm, Everose gold
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Oyster architecture
Monobloc middle case, screw-down case back and winding crown
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Diameter
40 mm
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Material
18 kt Everose gold
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Bezel
Fluted
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Winding crown
Screw-down, Twinlock double waterproofness system
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Crystal
Scratch-resistant sapphire, Cyclops lens over the date
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Water resistance
Waterproof to 100 metres / 330 feet
Movement
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Movement
Perpetual, mechanical, self-winding
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Calibre
3255, Manufacture Rolex
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Precision
-2/+2 sec/day, after casing
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Functions
Centre hour, minute and seconds hands. Instantaneous day and date in apertures, secure rapid-setting. Stop-seconds for exact time setting
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Oscillator
Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers
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Winding
Bidirectional self-winding via Perpetual rotor
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Power reserve
Approximately 70 hours
Bracelet
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Bracelet
President, semi-circular three-piece links
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Material
18 kt Everose gold
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Clasp
Concealed folding Crownclasp
Dial
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Dial
Olive green