[Introduction] Omega De Ville Ref. 511.0531, a refined vintage dress watch featuring an elegant cushion-shaped gold-tone case and a clean champagne dial with slim baton indexes. Powered by the hand-wound Omega Cal. 625, this model offers classic Swiss minimalism in a slim, wearable profile. The watch is fitted with a black leather strap and an Omega-signed buckle, making it ready to wear for formal and daily smart occasions. [Historical & Collector Value] The De Ville line represents Omega’s timeless dress-watch identity, prized by collectors for its understated design and high-quality in-house movements. The Cal. 625 is well regarded for its simplicity and reliability, and the cushion-case De Ville style is especially attractive to vintage enthusiasts seeking a distinctive 1970s-era aesthetic with strong brand heritage. Specifications ◇ Brand: Omega ◇ Model: De Ville ◇ Reference: 511.0531 ◇ Movement: Hand-wound mechanical ◇ Caliber: Omega Cal. 625 ◇ Dial: Champagne ◇ Functions: Hours, minutes ◇ Case: Gold-tone cushion-shaped case ◇ Caseback: Stainless steel ◇ Strap: Black leather strap ◇ Buckle: Omega-signed buckle ・Condition Excellent condition with minimal signs of use. The case retains a clean appearance with light handling marks only. The dial is well preserved with minor age-related specks. Strap and buckle present well. ・Service History The watch has been checked for operation, winding, and time-setting, and it is functioning at the time of listing. Future maintenance may be required depending on usage and the buyer’s accuracy standards. ・Shipping & Customs Ships from Japan. Carefully packed and protected for safe delivery. International shipping is available. Customs duties and taxes, if applicable, are the buyer’s responsibility.