Absolutely gorgeous Omega Constellation Calendar 18K GOLD Automatic wristwatch from 1958: Movement: caliber: 504, twenty-four 24 jewels, signed OMEGA Watch Co. SWISS Serial number of the movement: 16049771 (dates the watch to 1958) Country Of Manufacture: Switzerland Crystal: Acrylic Dial: 18K GOLD, perfect condition Hands: gold-plated, Band Type: brand new, brown, genuine leather strap with aftermarket buckle Band Length: 21 cm including watch Special features: central second, date at 3 o'clock 18K GOLD dial with applied onyx baton hour markers and gold-plated hands is in very good condition. 18K GOLD case with genuine Omega-signed crown is in very good condition. It has no visible traces of use. Gold hallmarks are visible on the side of the case, on the lugs and caseback. High grade SWISS movement signed OMEGA WATCH Co SWISS is in very good working order. It keeps accurate time well. It's after watchmaker's service. DIMENSIONS: Diameter without crown: 35 mm Diameter with crown: 37 mm Lug to lug width (lenght): 43 mm Thickness: 11,5 mm Lug width (strap): 18 mm total weigh: 56,3 g Please be advised that when you purchase a watch from us, you are receiving a timepiece that has been meticulously serviced and inspected by a professional watchmaker. We have taken every effort to ensure it looks its best, considering its vintage nature, and is in excellent technical and visual condition. Tracked and insured shipping 30 EUR ( European Union ) 50 EUR ( Worldwide )