CERTINA. Wristwatch, rectangular case in yellow gold 750 thousandths highlighted with lapis lazuli inlays (small chips), painted dial imitating lapis lazuli and gilded baton hour markers, crown set with a blue stone cabochon, lizard-style blue leather strap, gilded metal pin buckle (reported). Hand-wound mechanical movement. Back, dial and movement signed. Back no. 0810 977 871371 and movement no. 13-20. Circa 1960-1970. Case size: 20 x 22 mm - Length: 14 to 18 cm Gross weight : 17,8 g All watches were function-tested at the time of writing. Except for the mention of a mechanism "to be overhauled", the watches were functional. However, the accuracy of the movements is not guaranteed, nor is the operation of the watches beyond the date of sale.