Parts or Repair, As Is Omega OMEGA GENEVE CAL. Thank you for visiting! OMEGA OMEGA GENEVE hand-wound watch Cal. 625 17 JEWELS Serial number 764 PLAQUE OR G 20 MICRONS Made in Switzerland Oval shape Ohm mark on crown head. Not working, needs repair. Case including crown: 2.3cm Wrist circumference: external band – Item Details……