This is possibly one of the nicest vintage Omega Seamaster 600 timepiece and it's a very rare one. It's a transitional Seamaster 600 with the extra Genève print on the dial. The case model is 135.011 which is a Seamaster 600 case model initially, however, in the very end of the 1960s it gets replaced with Genève. The solid stainless steel original case is in very good unpolished condition. Case measures 34.4mm across excluding the crown by 40mm lug tip to lug tip. Original signed crystal. Brand new case back gasket. Original signed crown. The factor original dial is in superb condition. With the unique dial numeral indexes they make this watch a very rare example. Correct set of clean original index hands matching the hour indexes. Retain all of its original tritium luminous in excellent condition. Professionally serviced manual wind movement working strong and accurate. The movement is an Omega caliber 601 with serial number 27017868 dating this timepiece 1967. This watch will come with a brand new 18mm high quality genuine handmade leather strap. Wrist size in photo is 6 inches.