This is a very fine and rare vintage Longines watch. This model is the equivalent of a vintage Omega 30mm caliber model. They are competitors during the late 50s and early 60s. It has a very attractive yet simple factory original dial in excellent aged condition. Professionally serviced legendary caliber 30L manual wind movement with serial number 11549552 dating this watch to 1960. The solid stainless steel case is in stunning unpolished condition. Case model is 7176-1(877) and measures 35mm across excluding the crown by 42mm lug tip to lug tip. The crystal is brand new. Brand new case back gasket. It will come with a brand new 18mm handmade vintage style leather strap. Rare and well preserved vintage Longines similar to this is scarce in today's market. Wrist size in photo is 6 inches.