This is an Omega Seamaster sub second watch dating to 1953 according to its movement serial number 13699249. The manual wind movement is an Omega caliber 266 and has been serviced running strong with great accuracy. The attractive dial is factory original and nicely patina. Crystal is brand new. Original signed crown. The case model is 2639-7 and is made of gold cap over solid stainless steel. The case is left unpolished and seldom will you find this case model with gold cap as they are normally in full steel. Case has a measurement of 35.5mm across excluding the crown by 43mm lug tip to lug tip. Metal case back gasket. This watch will come with a brand new 18mm vintage style quality leather strap. Wrist size in photo is 6 inches.