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The Oyster Perpetual Sky-Dweller in 18 kt white gold with a bright black dial and an Oysterflex bracelet.
Bright black dial
A striking characteristic
A fixed inverted red triangle on the dial points to the chosen reference time – the time at home or at the traveller’s usual workplace – on the off-centre 24-hour disc. At a glance, this 24-hour display clearly distinguishes daytime hours from night-time hours in the other time zone.
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Model case
Oyster, 42 mm, white gold
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Oyster architecture
Monobloc middle case, screw-down case back and winding crown
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Diameter
42 mm
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Material
18 kt white gold
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Bezel
Fluted, bidirectional rotatable Rolex Ring Command
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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
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Movement
Perpetual, mechanical, self-winding, dual time zones, annual calendar
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Calibre
9002, manufacture Rolex
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Precision
-2/+2 sec/day, after casing
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Functions
Centre hour, minute and seconds hands. 24-hour display on off-centre disc. Second time zone. Instantaneous annual calendar at 3 o'clock and rapid-setting of the date. Month display via 12 apertures around the circumference of the dial. Stop-seconds for precise 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 72 hours
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Bracelet
Oysterflex
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Material
Flexible metal blades overmoulded with high-performance elastomer
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Clasp
Folding Oysterclasp with Rolex Glidelock extension system
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