a stainless steel automatic sweep seconds wristwatch with date and bracelet, Rolex, Oyster Perpetual, 'Submariner', ref. 1680 circa 1978

nickel lever movement with hack feature, 26 jewels, mono-metallic balance, adjusted to 5 positions and temperature, black dial with luminescent disc and baton numerals, tonneau water-resistant-type case, screw-down crown and case back, black rotating bezel calibrated for 60 minutes, case, dial and movement signed, with a stainless steel Rolex Oyster bracelet and deployant clasp.