The Second Execution of the ‘Double Security’ Diving Watches by Certina
Switzerland, 60s
Original, matte black dial with tritium luminous mass, silver baton hands
All stainless steel watch case with screwdown caseback, serial: 346.825
35mm
High grade, automatic movement, calibre 25-65, 27 jewels,
Original, stainless steel ‘Gay Freres’ signed bracelet, stamped 3-59