Very rare: Omega reference 2518 (OJ-2518 - Yellow Gold) Omega movement: 343 - Bumper Automatic movement Chronometre version. Case diameter: 35 mm. (Without crown). Case material: 14K. Yellow Gold Case: very good condition Dial: Very nice Patina All original......... Price I am asking is € 3250,- or PM for an offer. Attention: there is a naiad crown on the watch and could be replaced by my Official Omega Specialist for another original one, but these are rare.... Buy and sell references available and I have 100% feedback on eBay Pictures are part of the description, so please observe them carefully (watch looks nicer as on the photos..) This watch is located in The Netherlands and this is an authentic Omega Seamaster Chronometre Payment method: PayPal or Direct Payment per Bank account in €. More photos available on request.