At the intersection of Art and Timekeeping reside some of the most beautiful creations to come out of the fine Swiss watchmaking firms.

Longines is known for creating some of the most technically innovative and attractive timepieces in the world. Once worn by Humphrey Bogart, Richard Byrd, and Charles Lindbergh, these pieces are sought after by collectors, Hollywood celebrities, and anyone desiring to wear a superior wristwatch. Longines' vintage wristwatches rank with Jaeger-LeCoultre and other of the world's fine Swiss firms.

To captivate their clientele in vintage times, the fine Swiss firm offered an object d'art called the mystery dial, named after the way the hour marker seemed to mysteriously float around dial, unattached to the rest of the watch yet keeping perfect time.

Here are some of the qualities that make this unusual timepiece special:

• Mystery dial featuring an 'invisible' revolving disk equipped with a white gold and diamond hour marker, appearing to float around the dial as the watch registers the time
• Dramatic and elegant dial with diamond markers and diamond bejewelled hands. The primary hours have full three diamonds bars.
• Very high-quality Longines movement, showcasing top tier Swiss craftsmanship from the era

Its solid white gold Longines case is in excellent condition. Its dramatic mystery dial, serving as the centre focal point of the watch, is in excellent condition as well. And its high-grade Longines movement is keeping time.

Our watchmaker has fully disassembled it down to its last screw and cleaned and oiled it. Amazingly, after nearly 55 years, it continues to run at very precise levels, keeping time within a few seconds per day.

For the finishing touch we have equipped it with a brand new genuine Teju lizard 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.

• Manufacturer: Longines
• Country of origin: Switzerland, made for the U.S. market
• Serial number: 10,429,663
• Year built: c. 1958
• Model: Ref. 1017
• Functions: Mystery Time (hours and minutes)
• Designed for: Men
• Case material: 14K white gold
• Case markings (outside): 14K Gold, S&W
• Case markings (inside):  Longines - Wittnauer Watch Co. Inc. New York, Geneva-Montreal, 14K Gold, 668299,1017
• Case condition: Excellent, unpolished with fairly mild wear. Lines are crisp.
• Dial: Signed Longines mystery dial, silver, white gold diamond markers, presents as excellent condition with fairly light aging and toning
• Dimensions: 33mm wide (without crown), 37mm long lug tip-to-tip
• Hands: Original, white gold dauphine diamond set minute hand and white gold and diamond hour marker
• Movement type: High grade, Longines caliber 19.4, manually wound, rhodium plated, well-finished, gold jewel chatons, 17 jewels
• Movement markings: Longines Watch Co Swiss, Seventeen Jewels, Unadjusted, 10,429,663 19.4
• Jewels: 17 rubies
• Band: Teju lizard, 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: Mineral glass, domed, mint condition 
• Serviced: Our watchmaker has fully disassembled it down to its last screw and cleaned and oiled it.
• 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; 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