Year of manufacture1970
ROLEX REF 1665 SEA-DWELLER "GREAT WHITE" STEEL
Rolex, "Oyster Perpetual Date, Sea-Dweller, 2000 ft./610 m.,
Superlative Chronometer, Officially Certified", case No.5386845,
Ref. 1665. Made in 1977.
Fine and rare, center seconds, self-winding, water resistant,
stainless steel wristwatch with helium escape valve and date
with a Rolex stainless steel bracelet with deployant clasp.
Three-body, polished and brushed, screw-down case back
and crown, helium escape valve at 9, graduated bi-directional
revolving black bezel 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.