ETERNA-MATIC Centennial. Circa 1960 N° 4143481 18K (750) gold men's wristwatch with gold dial, applied baton hour markers, date window at 3 o'clock, self-winding mechanical movement caliber 1438U, leather strap. Dial, case and movement signed. Diameter : 33 mm Gross weight : 33,8 g The watch is accompanied by an ecrin of the retailer W.Muntwyler.