c. 1970 Omega Seamaster Cosmic Vintage Mens Retro Cal. 565 Automatic Watch - Stainless Steel


Item No. 8073

Today's offering showcases this vintage Seamaster that presents in gorgeous original condition. It has a classic retro design with tonneau shape and striking two-tone dial with "wide boy" markers. Our photos couldn't begin to do it justice!

Powering the watch is Omega's top-tier caliber 565 movement, the last superior 500's series movements used before Omega began trying to reduce their costs. With 24 jewels and a quick-setting date, it was the top tier offering of the famous 500 series and is one of the finest mass-produced automatic movements from the era.

It measures approximately 35mm in diameter without the crown, in between the size of a Rolex Date and a Rolex Datejust.

It has an Omega monocoque - or one-piece - case, which when new achieved high water resistance ratings by not having a separate case back.

What is most striking about the watch is its stunning original condition. It is fully Omega down to the dial, hands, and Omega crown.

Its untouched original silver and dark navy blue dial - so dark it nearly appears black - is mint.

Its case presents as just short of perfect mint. It has very slight remnants of wear to the back from the buckle contacting it. The back is in excellent condition and the wording strong despite what the photos seem to suggest. On the wrist it presents as perfect mint.

A Master Watchmaker has freshly fully overhauled the movement which is keeping time.

1950's and 60's Seamasters that feature 500 series movements are excellent buys today because of their quality and relative ease and reasonable cost for servicing.

For the finishing touch a new calfskin leather strap has been installed 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 custom printed Connoisseur of Time Certificate of Authenticity, and a new timing certificate.

An original more than five decade old Omega that presents on the wrist like new!

Omega Seamaster:
Omega watches can be found on the wrists of many prominent figures including Pierce Brosnan, Michael Schumacher, Michael Phelps, Ernie Els, Prince William, and one graced the wrist of President John F. Kennedy. Omega has been the official timekeeper for 21 Olympic Games and is the official chronometer of NASA.

Omega is often known by watch lovers for its Seamaster line of recreational water sports watches. Combining a striking look with a high performance movement, they've received a strong following since vintage times.

  • Manufacturer: Omega
  • Country of origin: Switzerland
  • Year built: c. 1970
  • Model: Ref. 166.026, Seamaster Cosmic
  • Functions: Hours, Minutes, Date, Sweep Seconds
  • Designed for: Men
  • Case material: Stainless steel
  • Case markings (outside): Seamaster, Waterproof, 166.026 - Tool 107
  • Case condition: Presents as just short of perfect mint. It has very slight remnants of wear to the back from the buckle contacting it. The back is in excellent condition and the wording strong despite what the photos seem to suggest. On the wrist it presents as perfect mint.
  • Dimensions: 35mm wide (excluding crown), 38mm long lug tip-to-tip
  • Dial: Silver with navy blue periphery so dark it appears nearly black, signed Omega, steel baton indices, original and untouched, mint condition
  • Hands: Original, steel "batons"
  • Movement type: Caliber 565, signed Omega, manually wound, finished in copper-beryllium, 24 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator for precision adjustment
  • Jewels: 24 rubies
  • Beat frequency: 19,800 BPH
  • Band: Calfskin leather, fully stitched, padded, brand new and unworn. We also stock lizard and a variety of others straps in various prints, skins, and colors. Please ask us if you're interested.
  • Crystal type: Acrylic, vintage, no longer signed/unsigned, excellent condition
  • Serviced: A Master Watchmaker has freshly fully overhauled the movement.
  • Timing: Timed to precision on a state-of-the-art computerized system. 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 C.O.T. 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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