CERTINA. Wristwatch, round case in 750 thousandths yellow gold, silvered dial with hour markers, black reptile leather strap and gold-plated metal buckle. Hand-wound mechanical movement. Signed on dial, back, movement and crown. Back no. 0808 403 345742. Case diameter: 18 mm Gross weight: 11.4 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.