Certina. A stainless steel automatic calendar bracelet watch
Circa 1975
25-jewel ETA Cal.2789-1 automatic movement, brushed blue dial with applied polished white accented baton hour markers, white outer minute divisions with luminous dots at five minute increments, polished baton hands with luminous inserts and centre seconds, red day in German and date aperture at 3, brushed and polished tonneau shaped case with screw down back, signed crown, fitted bracelet with signed folding clasp, dial and movement signed 37mm.
