Vintage wrist watch Certina Blue Ribbon Automatic - Switzerland around 1977s. Material of case : stainless steel case Type of movement: mechanical, automatic Movement calibre : movement Certina Cal. 25-651 Case diameter : 34 mm without crown Lug width: 18 mm Dial : silvery dial Certina Blue Ribbon Automatic Strap : Flattish genuine leather strap.Lug width: 18 mm.Width of buckle: 16 mm. Length of strap incl. the watch is 220 mm Watch is professionally serviced and in good working condition. Shipping via registered mail with tracking.