This is a very rare and early vintage Omega rectangular watch. The rare factory original finish dial is untouched and nicely aged. The fully serviced 20F manual wind movement works solid and keeps good time. Solid 14k gold unpolished original signed case. Personal engraving on the case back. The crown may possibly be the original one to this watch as it looks similar to the one in an old ad. The crystal is in excellent condition. The movement serial number is 7839395, dating this watch to 1934. The case measures 22.6mm across, excluding the crown by 37.3mm lug tip to lug tip. The case reference is OJ 758. It will come with a brand new 16mm handmade genuine leather strap. The wrist size in the photo is 6 inches. To learn more about this timepiece, you can watch this video: https://youtu.be/i4X_esm_Qjk