33. Rolex. A very fine barely worn 18K gold automatic calendar bracelet watch Model: Submariner Date Reference: 16618 Date: Circa 1991 Movement: 31-jewel Cal.3135 automatic, adjusted to 5 positions & temperature, No.6010857 Dial: Sunburst blue/purple, applied luminous filled gilt dot hour markers, baton quarters, outer minute divisions, magnified date aperture at 3, gilt Mercedes hands with luminous inserts, centre seconds Case: Brushed and polished tonneau form, screw down back and crown, bi-directional calibrated bezel, No.N227248 Strap/Bracelet: Fitted 18K gold Oyster bracelet Buckle/Clasp: Signed 18K gold folding clasp, No.92908 Signed: Case, dial & movement Size: 40mm Weight: 176,58g Accompaniments: Original Rolex wooden box, Rolex anchor The Rolex Submariner represents the world's most famous diver watch and in 1979 Rolex launched the first Submariner Date with sapphire crystal glass. The reference 16618 is housed in an 18K gold 40mm case and was first introduced in 1988, replacing the reference 16808. With a striking blue bezel and dial it is a firm favourite for collectors looking for a more elevated look to their Submariner.