Here is an uncommon oversized vintage Omega Seamaster bumper automatic watch. Some collectors would describe this model as a jumbo size automatic Omega since 36mm is considered one of the largest available diameter for a 1950's automatic Omega. The case measurement for this watch is 36.5mm across excluding the crown by 45.8mm from lug tip to lug tip. Case model is 2657/2494 - 4 and is made of gold capped over solid stainless steel. The case appears to have had a light case polish years ago due to the shine finish of the case. The case back still retain its original metal flat gasket. The crystal is brand new. Original signed crown. Fully serviced bumper automatic movement working strong and accurate. The movement is an Omega caliber 344 and has a serial number 13458116 dating this watch to 1952. The rare waffle dial is factory original. The watch will come complete with a 18mm brand new handmade vintage style genuine leather strap. Wrist size in photo is 6 inches.