Omega Speedmaster Mens Automatic Chronograph Date Watch, 3511.20 - Stainless Steel


Item No. 6745

Today's offering showcases this striking Certified Pre-Owned automatic Speedmaster, ref. 3511.20, a special edition made only for the Japanese market.

Its case and bracelet both carry a traditional speedy look, and the bezel is the sleeker steel embossed type. Its pure white dial gives it a very clean look that is uncommon with a Speedy.

It is 100% original down to the waterproofing seal and presents in gorgeous condition! It presents as a 9.7 out of 10.

One of our watchmakers has disassembled it down to its last screw and cleaned and oiled it. It continues to keep very accurate time, running well in all five chronometer testing positions.

It has then been meticulously detailed 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.

Omega Speedmaster:
In 1957, Omega unveiled a chronograph that was a technological marvel, the Speedmaster. Its durability and accuracy would not only win it accolades around the world and the distinction of being the first watch to be worn on the moon, it would guide the crew of Apollo 13 safely back home after their malfunctioning electronic systems had shut down. The Speedmaster is one of the most prominent chronograph models in watch collecting.

  • Manufacturer: Omega
  • Country of origin: Switzerland
  • Serial no.: 55,300,320
  • Model: Omega Speedmaster, Ref. 3511.20
  • Functions: Hours, Minutes, Automatic, Chronograph, Quick-Setting Date, Subsidiary Seconds
  • Designed for: Men
  • Dimensions: 39mm diameter (excluding crown), 44.5mm long lug tip-to-tip
  • Case material: Stainless steel 
  • Case markings (outside): Speedmaster with logo
  • Case condition: Presents on the wrist as mint. Very slight remnants of wear to the back and lights signs of the back being polished. A tiny pin prick mark on two two case sides.
  • Dial: White with baton indexes, outer minute/seconds and 1/5th seconds divisions, outer date track, sunk subsidiary dials for the seconds, the 12-hour and 30-minute registers, apertures for the date, mint condition
  • Hands: Original, luminous steel “baton” hands
  • Movement type: Omega caliber 1152, rhodium plated, 44 hour power reserve
  • Band: Speedmaster, stainless steel, sized to fit a wrist up to approx. 7.25 inches, adjustable, just short of perfect mint condition with no stretch. Please inquire if you need additional links.
  • Crystal: Sapphire, mint condition
  • Serviced: Yes, one of our watchmakers has disassembled it down to its last screw and cleaned and oiled it.
  • Timed: Yes, timed to precision on a state-of-the-art computerized system. Continues to run well in all five chronometer testing positions.
  • Warranty: 1-year international C.O.T. warranty. Please email 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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