This is a very attractive and nice simple looking vintage Omega Seamaster 600. This piece is in excellent original condition. The case is made of solid stainless steel and measures 34.5mm across excluding crown by 40mm lug tip to lug tip. A new case back gasket has been fitted. Case model is 135.011 and is in very good unpolished original condition. Original signed crown. Brand new crystal. The factory original dial is very attractive and is in very good condition. It is a rare black gilt dial. There is a mark on the dial which can be seen under certain angle. The fully serviced manual wind movement is working accurately. 17 jewels movement is Omega caliber 601. Movement serial number is 23275131 dating this watch to 1966. Will come with a new 18mm matching high grade handmade genuine leather strap. Wrist size in photo is 6 inches.