TRESSA Elegant vintage Tressa Automatic wristwatch, dating approximately from the 1970s, featuring a Swiss mechanical automatic movement with 25 jewels and Incabloc shock protection. Beautiful silver textured dial with applied gold-tone arrowhead hour markers, Arabic numerals at 6, 9 and 12, central seconds and date window at 3 o'clock. Specifications - Brand: Tressa - Period: Approximately 1970s - Movement: Swiss mechanical automatic - Jewels: 25 - Shock protection: Incabloc - Dial: Silver with decorative textured chapter ring - Case: Gold-tone, approximately 35 mm - Case back: Stainless steel, marked ALTUS - Functions: Hours, minutes, seconds and date - Crystal: Domed vintage-style - Strap: Brown leather-style strap - Origin: Swiss Made History Tressa was a Swiss watch company based in Biel/Bienne, active from 1966 to 1987. Its mechanical timepieces represent the classic Swiss automatic watchmaking tradition of the 1960s and 1970s. Condition Authentic vintage condition with visible scratches and wear to the gold-tone case, minor dial ageing and marks on the crystal. The strap shows signs of use. The movement is signed Tressa, while the case back is marked ALTUS, as photographed. Originality of the case-back combination has not been verified. No recent service or professional accuracy test is documented. Servicing may be required. Water resistance has not been tested. Photographs are part of the description. Ships from the UK; duties/VAT/import charges at buyer's expense.