This is an original Omega Tresor watch. Omega has recently reissued this model. If you're looking for the original vintage version, here is your opportunity. Brand new crystal. Original signed crown. The case has been cleaned and is in great unpolished original condition. The case model is 2910-1 SC and measures 34.6mm in diameter excluding the crown by 40.8mm lug tip to lug tip. Beautiful and very well patina factory original finish dial. This watch has been professionally serviced and is running strong with great accuracy. The manual wind movement is an Omega caliber 284 with serial number 15564455 dating this timepiece to 1957. It will come with a brand new 18mm high-quality genuine leather strap. The wrist size in the photo is 6 inches.