ROLEX REF 5512 SQUARE CROWN GUARD, SPIDER DIAL
Rolex, "Oyster Perpetual, 200 m/660 ft, Submariner", case No. 478083,
Ref. 5512. Made in 1959.
Fine and very rare, early, center seconds, self-winding, water-resistant,
stainless steel wristwatch. Three-body, polished and brushed, screwed-down case back and crown,
graduated bi-directional revolving black bezel for the decompression times,
winding-crown protected by the crown guard.
Black with luminous round, triangular and baton indexes, outer minute
track. Luminous steel skeleton hands.
Cal. 1530, rhodium-plated, 26 jewels, straight-line lever escapement,
monometallic balance, shock absorber, selfcompensating Breguet balance
spring, index regulator.