ROLEX REF. 1680 RED SUBMARINER STEEL
Rolex, "Oyster Perpetual Date, Submariner, 660 ft = 200 m,
Superlative Chronometer, Officially Certified," case No. 2873435,
Ref. 1680. Made in 1970.
Fine, center seconds, self-winding, water-resistant, stainless steel
wristwatch with date and a Rolex stainless steel Oyster bracelet with
deployant clasp.
Three-body, polished and brushed, screw down case back and
crown, graduated bi-directional revolving black bezel for the
decompression times, Triplock winding crown protected by the
crown guard, crystal with Cyclops lens.
Black with Submariner in red letters, luminous round, triangular
and baton indexes, outer minutes/ seconds divisions, aperture
for the date. 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.