Mens Certina watch in 18K solid yellow gold, from the 1970s. Size: 39mm from top lugs to bottom lugs. 34mm in diameter excluding the crown. 18mm between lugs. Movement: 17jewels manual wind, sweep second, with the Cal. Certina 25-66. Case/caseback: the case and caseback is in 18k yellow solid gold. Inside of the caseback it has the 18k Swiss Hallmarks stamps. It also reads; 851 3364 68. Weight: 36grams including watchband. Looks & Condition: This Certina watch is in overall good cosmetic condition with remarks, that the upper right side of the dial has got patina. The caseback has an engraving for a long years of service in Sweden. The movement runs very good and keeps the time well. When fully manually charged, the power reserve will last around 48 hours. This watch will be shipped insured and tracked via Swedish Postservice: Postnord.