ROLEX REF. 1675 GMT MASTER BLACK BEZEL STEEL
Rolex Oyster Perpetual, GMT Master, Superlative
Chronometer, Officially Certified, case No. 3026387, Ref. 1675. Made in 1971.
Fine, two time zone, center seconds, self-winding, water-
resistant, stainless steel wristwatch with date, 24-hour bezel
and hand and a stainless steel Rolex Oyster bracelet.
Three-body, polished and brushed, all black graduated
bidirectional revolving bezel for the second 24-hour time
zone, screw-down case back and crown, winding crown
protected by the crown guard, crystal with cyclops lens
Black with luminous round, baton and triangular indexes,
outer minute track, aperture for the date. Luminous steel
Cal. 1570, rhodium-plated, 26 jewels, straight-line lever
escapement, monometallic balance adjusted to 5 positions
and temperature, shock absorber, self-compensating
free-sprung Breguet balance spring, Microstella regulating
screws, hack mechanism.