This is one of the rarest Omega Seamaster Automatic watch with the calendar feature, and it's in stunning condition. The solid stainless steel case is unpolished in great condition. The case model is 2757-3 SC and measures a large 34.3mm across excluding crown by 41.6mm lug tip to lug tip. This is known as the second generation Seamaster watch with the calendar feature. It is uncommon compared to first and third generation models, but the factory original waffle black dial makes it very 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 14351200, dating this watch to 1954. Factory original finish black waffle texture dial in very well-aged condition. It will come fitted with a 18mm genuine leather strap. The wrist size in the photo is 6 inches. If you are an Omega fanatic, you will understand how unique this timepiece is.