Concord Crystale 18K Yellow Gold Diamond Bezel Watch

An original 18K yellow gold Concord Crystale diamond bezel watch (51-C1-1431). Featuring a rectangular 18K yellow gold case with diamond-set bezels at the top and bottom, set with a total of 16 round brilliant cut diamonds framing a silver-tone square dial. The dial features a guilloché-style center pattern and is signed “Concord” beneath the 12 o’clock position, with gold numerals at 12 and 6 and diamond hour markers set in gold square mounts for the remaining hours. Finished with gold hands, a clean crystal cover, and a functioning quartz movement.

The watch is completed with an integrated 18K yellow gold articulated-link bracelet with a polished finish and a fold-over clasp, measuring approximately 6.50 inches from end to end. The square caseback is secured by four screws and engraved with the Concord crest at the center, along with “18K”, model reference number “51-C1-1431”, and individual serial number “1099991”. The clasp is marked “750” and “C”. Gross weight of 84 grams. Case thickness approximately 5 mm, case length approximately 21 mm, and case width with crown approximately 23 mm. Light scratching is present consistent with age and use.