Sea-Dweller

Sea-Dweller

CATEGORYOyster Perpetual Professional
CertificationSuperlative Chronometer (COSC + Rolex certification after casing), international five-year guarantee
CaseOyster (monobloc middle case, screw-down case back and winding crown)
SafetyIntegral crown guard
Diameter43mm
MaterialOystersteel and 18 ct yellow gold (yellow Rolesor)
Middle CaseOystersteel, satin finish with polished sides
Bezel18 ct yellow gold, unidirectional rotatable
60-minute graduated Cerachrom insert in black ceramic;
moulded, recessed numerals and graduations coated with yellow gold via PVD (Physical Vapour Deposition);
18 ct yellow gold capsule, highly legible Chromalight (long-lasting luminescence, blue glow)
Case backSolid, screw down with fine fluting
Winding CrownScrew-down; Triplock triple waterproofness system
CrystalScratch-resistant sapphire
Cyclops lens over the date with double anti-reflective coating
Waterproofness1220 metres (4000 feet)
Movement
Calibre3235, Manufacture Rolex
Mechanical movement with bidirectional self-winding via Perpetual rotor
Precision-2/+2 sec./day, after casing
FunctionsCentre hour, minute and seconds hands
Instantaneous date at 3 o’clock with secure rapid-setting
Stop-seconds for exact time setting
OscillatorFrequency: 28,800 beats/hour (4Hz)
Paramagnetic blue Parachrom hairspring
Rolex overcoil
Large balance wheel with variable inertia
High-precision regulating via four gold Microstella nuts
Traversing balance bridge
High-performance Paraflex shock absorbers
EscapementChronergy with optimized energy efficiency
Paramagnetic nickel-phosphorus pallet fork and escape wheel
Jewelling31 rubies
Power ReserveApproximately 70 hours
Dial
ColourBlack, gloss, fine satin finish
Hour Markers18 ct yellow gold, highly legible Chromalight (long-lasting luminescence, blue glow
Hands18 ct yellow gold, highy legible Chromalight (long-lasting luminescence, blue glow)
Bracelet
TypeOyster, three-piece solid links
MaterialPolished centre links in 18 ct yellow gold, satin-finished outer links in Oystersteel with polished edges (yellow Rolesor)
ClaspOysterlock folding safety clasp
Rolex Glidelock extension system (approx. 20 mm in increments of approx. 2 mm)

Featured image ©Rolex