This is one of the rarest Omega Seamaster Automatic watch with the calendar feature, and it's in great condition. The solid stainless steel case is unpolished in well-aged condition. The case model is 2757-2 SC and measures 34.5mm across excluding crown by 41.5mm lug tip to lug tip. This is known as the second-generation Seamaster watch with the calendar feature. It is uncommon compared to the first and third generation models. The uniquely patina factory original waffle dial makes it more rare to come across. The crystal is brand new. Omega signed crown. The fully serviced 17 jewels bumper automatic movement is an Omega caliber 355 with serial number 14352738, dating this watch to 1954. It will come fitted with a new 18mm genuine leather strap. The wrist size in the photo is 6 inches.