1966 Omega Seamaster Extremely Rare Cal. 560 Vintage Mens Watch, Automatic, Date - 10K Gold Filled & Stainless Steel


Item No. 6848

Today's offering showcases this rare, classic and pleasing automatic Omega. It is powered by Omega's rare caliber 560 movement of which only 3,000 examples were made. These watches were made just for the U.S. market to avoid higher tariffs, and these 3,000 movements were split across 9 models, making each model in effect a very "limited edition."

It is fully Omega - it's original down to the dial hands and presents beautifully on the wrist. Its so-called "tropical" case with gold-filled top and steel back case has the look of a solid gold Omega without the price tag.

Adding to its rarity, it is a Seamaster signed version of the watch. The vast majority of the examples of this model were not signed Seamaster on the dial. Seamaster signed examples are extremely rare.

1960's and early 70's Omegas like this one are great long-term buys as parts are readily available for their well-made movements, and they're not hard to service.

It is in honest original condition. The lugs and side of the case have slivers of gold wear, and the presentation back has fairly mild wear - it presents nicely on the wrist. Its extremely rare dial is original and untouched, just short of perfect mint.

One of our watchmakers has disassembled it down to its last screw and cleaned and oiled it. We have timed it in five chronometer positions - it continues to run very accurately.

For the finishing touch we have installed a brand new leather strap making it ready for immediate enjoyment.

Included with the purchase is a one-year international warranty on the movement and its function, a custom printed Connoisseur of Time Certificate of Authenticity, and a new timing certificate attesting to it performance.

For further reading on the caliber 560 visit our friend Desmond Guilfoyle's blog.

The model's page on the Omega website can be found here: https://www.omegawatches.com/en-us/watch-omega-us-collection-omega-kl-6312

  • Manufacturer: Omega
  • Country of origin: Switzerland, made only for the U.S. market
  • Serial no.: 22,640,723
  • Year built: c. 1966
  • Model: Ref. KL6312
  • Functions: Hours, Minutes, Automatic, Date, Sweep Seconds
  • Designed for: Men
  • Case material: 10K rolled gold plate with stainless steel back
  • Case markings (inside): Omega Watch Co., J58627
  • Case condition: Honest original condition. The lugs and side of the case have slivers of gold wear, and the presentation back has fairly mild wear - it presents nicely on the wrist.
  • Dimensions: 34mm wide (excluding crown), 40mm long lug tip-to-tip
  • Dial: Silver, signed Omega Seamaster, applied gold baton indices, luminous dots, aperture for the date, original and untouched, just short of perfect mint condition
  • Hands: Original, gold luminous batons
  • Movement type: Cal. 560, copper colored, 17 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring
  • Jewels: 17 rubies
  • Beat frequency: 19,800 BPH
  • Band: Leather, fully stitched, brand new and unworn. We also stock a variety of others straps in various prints, skins, and colors. Please ask us if you're interested.
  • Width between lugs: 17mm
  • Crystal type: Acrylic, unsigned, excellent condition
  • Serviced: One of our watchmakers has disassembled it down to its last screw and cleaned and oiled it.
  • Timing: Timed to precision on a state-of-the-art computerized system. It is running extremely accurately. 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 experienced team of watchmakers both of whom each have over forty years of experience and a large number of parts.
  • Warranty: 1-year international warranty. Please email concierge@cotwatches.com for details.
  • Box/Papers: BOX - Connoisseur of Time watch presentation box; PAPERS - Custom printed Connoisseur of Time Certificate of Authenticity; New timing certificate
  • 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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