Rolex. A stainless steel automatic calendar bracelet watch with sigma dial Datejust, Ref: 1603,...

Rolex. A stainless steel automatic calendar bracelet watch with sigma dial Model: Datejust Reference: 1603 Date: Circa 1973 Movement: 26-jewel Cal.1570 automatic, adjusted to 5 positions & temperature, No.D371591 Dial: Sunburst grey, applied white gold baton hour markers with white accents, white outer 1/2 second divisions with luminous dot 5 minute markers, magnified date aperture at 3, white gold baton hands with luminous inserts, centre seconds Case: Brushed and polished tonneau form, screw down back, fluted bezel, No.3551552 Strap/Bracelet: Brushed and polished American market Jubilee link Buckle/Clasp: Signed folding clasp Signed: Case, dial & movement Size: 36mm For further information on this lot please visit Bonhams.com