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Blancpain Fifty Fathoms Bathyscaphe Chronographe Flyback
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Analog:Shift Two-Year Warranty

Analog:Shift Two-Year Warranty
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Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.
Authorized Luxury Retailer
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Free Expedited Delivery on Orders $100 and Up (Estimated 1-3 Days)
Our secure shipping service operates Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For security reasons, an adult signature is required for every delivery. Watches of Switzerland does not deliver to P.O. boxes or third-party forwarding services. For more information about delivery, click here. Tracking information will be made available upon shipping.
$15 Flat Fee on Orders Under $100 (Estimated 1 - 2 weeks)
Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For more information about delivery, click here. Tracking information will be made available upon shipping.
If you have any questions or concerns regarding your order, please contact the Watches of Switzerland Client Services.
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Simple Easy Returns

Our commitment to you does not end at delivery. We offer the following return services to make your experience as pleasant as possible.
10-Day Returns For Timepieces:
Timepieces purchased online can be returned or exchanged within 10 days from when they are shipped or collected.
30-Day Returns For All Other Purchases:
All other online purchases can be returned or exchanged within 30 days from when they are shipped or collected.
On presentation of the original receipt, your purchases may be returned or exchanged at any of our store locations. Alternatively, you may elect shipping to our facility with all the original paperwork. All refunds must be credited to the same tender used for the original purchase. To return the online purchases through secure shipping service, please contact our client service team who will provide you the shipping label.
All returns or exchanges must be in new, unworn condition, with no scratches or markings, not sized or adjusted and in their original packaging and with warranty cards / certificated and instruction booklets.
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Details
The Blancpain Fifty Fathoms is without question one of the world's most iconic dive watches, and arguably the first; however, it might never have been made at all were it not for one man — Jean-Jacques Fiechter of Blancpain.
In 1952, the French Navy tasked two veterans with a formidable mission. These men — Lt. Claude Riffaud and Captain Bob Maloubier — were to create a specialized unit of combat divers meant to act under the utmost secrecy. Some of the missions they were to enact included attacking ports, disrupting supply lines, and sabotage of enemy vessels.
Riffaud and Maloubier had a general idea of what gear the divers needed — compasses, depth gauges, and of course, watches. But as far as the watches were concerned, there was no timepiece on the market specifically designed for their purposes.
So Maloubier, armed with a pencil and protractor, sketched a watch. Not just any watch, but a watch ideally suited for diving. It needed to have a robust, watertight case and a dial that would be legible in the darkest of nights, at the deepest of depths.
Pitched to several well-known manufactures, Blancpain was the only maison that agreed to produce Maloubier's new design. Jean-Jacques Fiechter, Blancpain’s CEO at the time and himself an avid diver, helped the pair create a unique watch equipped with a Bakelite timing bezel and rubber gaskets. Nothing like it had been seen before, and one of the world's first purpose-built, modern diver's watches was born. As a reflection of its depth rating, Blancpain called it the Fifty Fathoms.
The Fifty Fathoms has been a staple in the dive watch world ever since. This piece is an extension of the Fifty Fathoms design DNA into a modern package. Housed within a 43mm case affording 300 meters of water resistance, this piece is a flyback chronograph built upon the Fifty Fathoms model family. Powered by the automatic winding Calibre F385, the Reference 5200-1110-B52A provides a 50 hour power reserve.
This piece comes with its inner and outer box set, as well as service papers dated to November, 2023. For a chrono take on a dive watch icon, this is the piece to have!
General
Condition
Pre-Owned
Brand
Blancpain
Reference
40992010/AS09735
Product Code
40992010
Case
Crystal
Sapphire
Movement
Type
Auto
Bracelet
Type
Strap