'Double-Red' Sea-Dweller, Ref:1665, Serial No.311****, Sold March 1971
26-jewel Cal.1570 automatic movement adjusted to temperature and 5 positions, black dial signed in red Sea-Dweller Submariner and 2000ft=610m, luminous round, triangular and baton indexes, luminous Mercedes hands, sweep centre seconds with luminous dot, date aperture at 3, brushed and polished tonneau shaped case with screw down back numbered 1665, 'Rolex patent' Gas escape valve engraved on the reverse, helium escape valve at 9, calibrated bi-directional revolving black bezel for decompression times, stainless steel Oyster link bracelet numbered 93150 X10 with signed locking clasp, together with fitted Rolex box, outer card and guarantee papers, case, dial and movement signed
39mm.