32 photos added (including photos of movement). – OMEGA REF. 2505-20 - Big size - Men's wristwatch from 1939 in excellent condition, swiss made. – Stainless steel case is in excellent condition, the backcase has several small points (see pictures). – Beautiful original dial and hands like new (please see the pictures). – New crystal (acrylic). – New crown, signed. – Original Omega manual winding movement (Cal. 30T1 ) with 15 jewels and with S/N 9150028 dating this watch to the year of 1939, and is in very good condition, revised, cleaned and oiled, and is working well. DIMENTIONS: Width: 37 mm (excluding crown) x 46,5 mm (with lugs). – Watch comes with a new non original generic leather strap (width: 18 mm, length with watch and buckle: 24,5 cm). – Original Omega signed buckle. – The watch will be carefully and properly packed and shipped by Express mail, registered, insured and tracked. Fast and safe.