OMEGA SEAMASTER PLOPROF
Maker: Omega.
Model: Seamaster 600 'PloProf'.
Reference: 166.077.
Date: c.1970.
Movement: Automatic, cal.1002.
Dial: Blue, outer minute track, inner hour track, luminous hour markers, date aperture at the 3 o'clock position, orange hour hand, centre seconds.
Case: Stainless steel single block, front loading, uni-directional rotating bezel with button release lock mechanism for one-handed operation.
Bracelet: Stainless steel, '162' end pieces, deployment clasp.
Size: 45mm x 55mm (including crown guard).