Today's offering showcases this rare, classic and pleasing Seamaster De Ville with rare caliber 560 movement of which only 3,000 examples were made. These movements were split across nine models, making each in effect a "limited edition." The 560 was a movement made only for the U.S. market to cut down on import tariffs.

The Seamaster De Ville, showcasing both refinement and high function, was the most important Omega line from a sales perspective from the latter part of the 1960's into the 1970's. It has a monocoque - or one piece - case which insured water resistance and slim, elegant profile. The case when new achieved high water resistance ratings by not having a separate case back.

This pleasing example is original down to the dial, hands, and winding crown.

Its about as honest and untouched as they come, appearing to never have been polished or had parts replaced.

Its case is good condition with wear on one lug. Other than the marks on the one lug it is in excellent condition. Its original untouched dial has warmed a bit giving it a true vintage look.

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

One of our watchmakers has disassembled the movement down to the last screw and cleaned and oiled it. It is keeping very accurate time. For the finishing touch it comes equipped with a shark grain strap making it ready for immediate enjoyment.

Included with the purchase is a one-year international warranty on the movement and its function and a custom printed Connoisseur of Time Certificate of Authenticity.

Note: Published examples of similar watches can be found in Marco Richon's work Omega: A Journey Through Time, 2007, pg. 403.

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

• Manufacturer: Omega
• Country of origin: Switzerland
• Year built: 1960's
• Model: Ref. 166.020, Seamaster
• Functions: Hours, Minutes, Automatic, Date, Sweep Seconds
• Designed for: Men
• Case material: Stainless steel
• Case markings (outside): Seamaster with hypocampus emblem, Waterproof
• Case markings (inside): Omega Watch Co., Acier Inoxydable, Swiss made, 166.020
• Case condition: Honest and never polished, in good condition with wear on one lug. Other than the marks on the top right lug it is in excellent condition.
• Dimensions: 34.5mm wide (excluding crown), 40mm long lug tip-to-tip
• Dial: Silver, applied baton indexes, aperture for the date, original, mint minus condition
• Hands: Original, steel 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: Shark grain, fully stitched and padded. We also stock lizard and a variety of others straps in various prints, skins, and colors. Please ask us if you're interested.
• Width between lugs: 18mm
• Crystal type: Acrylic, no longer signed or unsigned, vintage or original, good condition with one mark on the very edge of the side (only visible when the watch it on its side). Please inquire if you would like a brand new Omega crystal installed.
• Serviced: One of our watchmakers has disassembled the movement down to the last screw and cleaned and oiled it making it ready for immediate enjoyment.
• 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 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
• 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