Important Modern & Vintage Timepieces

Hong Kong, Mar 19, 2016

LOT 256

ROLEX REF. 1665 SEA-DWELLER RAIL DIAL STEEL Rolex, "Oyster Perpetual Date, Sea-Dweller, 2000 ft./610 m., Superlative Chronometer, Officially Certified", No. D505252, case No.5721666, Ref. 1665. Made in 1978. Very fine and rare, center seconds, self-winding, water resistant, stainless steel wristwatch with helium escape valve and date and a and a stainless steel Rolex Oyster Fliplock bracelet.

HKD 60,000 - 90,000

USD 7,700 - 11,600 / CHF 7,600 - 11,500

Three-body, polished and brushed, screw-down case back and crown, helium escape valve at 9, graduated bi-directional revolving black bezel (later insert) for the decompression times, trip-lock winding crown protected by the crown guard, sapphire crystal. Black with luminous white round, triangular and baton indexes, aperture for the date, outer minutes/seconds divisions. Luminous steel skeleton hands. Cal. 1570, rhodium-plated, oeil de perdrix decoration, 26 jewels, straight line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, microstella regulating screws, hack mechanism.


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Grading System
Grade: AA

Very good

Case: 3-8

Good

Slightly scratched

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-10-01

Good

Patinated

HANDS Original

Notes

Dial, case and movement signed. DIM. 40 mm. THICKNESS 18 mm. Approx. overall length 165 mm.