1966 Omega Seamaster De Ville Vintage Automatic Mens "Union Oil" Watch - 14K Gold with Rare Silver Box & Papers


Item No. 9661

Add a touch of mid-century modern fashion to your dress watch collection with this 1960s Seamaster De Ville.

Today's offering showcases this handsome 14K gold Omega Seamaster De Ville in pleasing condition with Union Oil presentation. It is an uncommon model made for the U.S. market.

But what makes it so cool is its rare original inner silver box with Omega and Union Oil logos, outer cardboard box, Omega sleeve for the silver box, and original Omega band and buckle - it is an amazing complete set!

The inner box, which bears a factory custom engraved Union 76 logo on the outside and Omega markings on the inside, is spectacular.

The Seamaster DeVille, showcasing both refinement and high function, was the most important Omega line from a sales perspective in the latter part of the 1960's into the 1970's. It featured a monocoque - or one piece - case which insured water resistance and a slim, elegant profile.

Powering the watch is Omega's top-tier caliber 550 movement, and one of the superior 500's series movements used before Omega began trying to reduce their costs. Arguably the finest mass-produced automatic movement from era, despite the appreciation it receives it too remains not yet fully appreciated.

The case measures 34mm in diameter without the crown, the diameter of a Rolex Date watch.

This model has a solid flat case back and was often sold as a corporate watch as it was well-suited to be engraved with a special message.

Here, the 14K case is complete with a personalized engraving, celebrating a gentleman named Clarence Wagner and his 41 years of service to Union Oil Company in 1966. He would have started his career there in 1925, 7 years before The Union Oil Company of California (later known as Unocal) even introduced the Union 76 brand to their existing Union Oil service stations. Think of the history this watch has seen.

The dial has vintage styled baton markers and with more highly stylized markers at three, six, nine, and 12 o'clock. Its subtle yet distinctive, geometric element gives the watch a mid-century modern feel, reminiscent of the architecture and design of the era.

We are pleased to offer it in all-original condition down to the original band and buckle. Its case is in excellent condition. It retains strong lines. Its original dial is untouched and honest with fairly mild aging. And it movement is very clean.

One of our Master Watchmakers has disassembled it down to its last screw and cleaned and oiled it. It winds smoothly. and is keeping very accurate time.

For the finishing touch we have meticulously detailed it making it ready for immediate enjoyment.

Included with the purchase is a one-year C.O.T. international warranty on the movement and its function, a full-page custom printed Connoisseur of Time Certificate of Authenticity, and a new timing certificate.

  • Manufacturer: Omega
  • Country of origin: Switzerland, made for the U.S. market
  • Year sold: 1966
  • Serial no.: 24,200,050
  • Model: Seamaster De Ville, Ref. LL6590-B
  • Functions: Hours, Minutes, Automatic, Sweep Seconds
  • Designed for: Men
  • Case material: 14K gold
  • Case markings (outside): 14K GOLD, "Presented to Clarence H. Wagner - Sept. 30, 1966 - Commemorating 41 Years of Service with Union Oil Company"
  • Case condition: Excellent with fairly light wear. One lug is engraved with a number and there is one mark on the case back. It has strong lines with only light signs of any previous polishing.
  • Dimensions: 34mm wide (excluding crown), 40mm long lug tip-to-tip
  • Dial: Silver with outer minutes/seconds chapter, signed Omega Seamaster De Ville, gold hand hand-riveted baton indexes, luminous hour dots, outer minute track, original, excellent condition with one scratch and fairly mild aging
  • Hands: Original, gold "batons"
  • Movement type: Cal. 550, copper colored, self-winding, lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring
  • Movement markings: Omega Watch Co., Swiss, 550
  • Beat frequency: 19,800 BPH
  • Band: Original, brown leather, signed Omega, with original signed buckle, only lightly worn. We also stock a variety of lizard and other straps in various prints, skins, and colors if you'd prefer a different look or to preserve the original band. Please ask us if you're interested.
  • Width between lugs: 18mm
  • Crystal: Acylic, excellent condition
  • Serviced: One of our Master Watchmakers has disassembled it down to its last screw and cleaned and oiled it. It winds smoothly. For the finishing touch we have meticulously detailed it making it ready for immediate enjoyment.
  • Timing: Timed to precision on a state-of-the-art computerized system. It is keeping very accurate time.
  • Warranty: 1-year international warranty. Please email concierge@cotwatches.com for details. Your watch is important to us, and we will take care of it for its lifetime. We provide the best after sale care in the business with an extremely experienced team of four Master Watchmakers all of whom each have over thirty-five years of experience and a large number of parts. One used to be the watchmaker for an authorized Rolex dealership and was given special training by Rolex at their Beverly Hills Service Center.
  • Box/Papers: A complete set. BOX - Original inner and outer boxes - one is silver - and fabric holder for the silver box; PAPERS - Original papers; Custom printed Connoisseur of Time Certificate of Authenticity
  • Returns: 7 days full refund. 100% satisfaction guarantee

We offer a 100% satisfaction guarantee for all of our watches. If you are in any way unsatisfied with the watch we will fully refund the purchase price anytime within 7 days after the watch has been received. Our goal is to exceed our client's expectations throughout the buying experience.

All watches are packaged carefully and mailed double boxed in specially constructed, reinforced shipping boxes designed for high value items. All watches are sent fully insured with signature required. Most of our domestic shipping is done through FedEx. At times we will also use USPS Express Mail, and we can accommodate most requests for your preferred carrier. International shipments are sent USPS International Express Mail or FedEx.

The purchase price will be the declared value of the merchandise on any required customs forms. The payment of all customs duties, tariffs, and taxes are the responsibility of the buyer.

Also note that water resistance of vintage watches can no longer be guaranteed and is not covered under the watch's warranty. We do not recommend getting a vintage watch wet, even one that was originally designed to be waterproof.

To get an idea of how this watch will look on the wrist, please use the Watch Sizing Guide


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