This is an early vintage Omega bumper automatic watch. Brand new crystal. Original unsigned "Mushroom" crown. The case has been cleaned and is in exceptional, unpolished original condition. The case model is CK 2398 and measures 34.5mm in diameter, excluding the crown by 40mm lug tip to lug tip. The appealing and attractive factory original finish dial is uniquely patina. This watch has been professionally serviced and is running strong with great accuracy. The automatic wind movement is a rare Omega calibre 30.10 with serial number 10178543, dating this timepiece to 1944. It will come with a new 18mm high-quality vintage-style genuine leather strap. The wrist size in the photo is 6 inches. Seldom will you find a bumper of this age looking this sharp. If you're looking to own something rare, this is a fine example.