Model: Single Red SubmarinerReference: 1680Date: Sold 22nd December 1970Movement: 26-jewel Cal.1570 automatic, adjusted to 5 positions and temperatures, No.D55****Dial: Black, red Submariner, luminous dot hour markers, baton quarters, white outer minute divisions, magnified date aperture at 3, polished Mercedes hands with luminous inserts, polished centre secondsCase: Brushed and polished tonneau form, screw down back, shouldered screw down crown, bi-directional bezel with black calibrated insert, No.236****Strap/Bracelet: Later fitted brushed 93150 Oyster linkBuckle/Clasp: Signed folding claspSigned: Case, dial & movement Size: 39mm Accompaniments: Rolex service pouch, Guarantee and Service booklet, original receipt, Spare link