Rolex. A stainless steel automatic calendar bracelet watch Model: Date Reference: 1500 Date: Circa 1968 Movement: 26-jewel Cal.1570 automatic, adjusted to 5 positions & temperature, No.D226257 Dial: Sunburst grey, applied luminous filled polished baton hour markers, white outer minute divisions with luminous dot 5 minute markers, magnified date aperture at 3, polished faceted tapering baton hands with luminous inserts, centre seconds Case: Brushed and polished tonneau form, screw down back and crown, inside back date coded IV.68, No.1963367 Strap/Bracelet: Fitted 78350 Oyster link Buckle/Clasp: Signed folding clasp stamped DT4 Signed: Case, dial & movement Size: 35mm