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- Fifty Fathoms Milspec 1
Specification
- Product Code 40990258
- Manufacturer Product Number 40990258/AS04781
- Condition Refurbished
- Guarantee Analog Shift 1 Year Mechanical Guarantee
- Category Pre-Owned Watches
- Brand Pre-Owned Blancpain
- Watch Markers Luminous
- Water Resistant Not Guaranteed
- Recipient For Him
- Movement Automatic
- Case Material Stainless Steel
- Dial Color Black
- Strap Material Nylon
- Diameter 41mm
- Brand Collections Fifty Fathoms














Pre-Owned Blancpain Fifty Fathoms Milspec 1 40990258/AS04781
$37,450.00Items in your bag will be held for 1 hour

- Free Delivery
- View our Returns Policy
- Authorized Luxury Retailer
- Gift Wrap Available In-Store
for this item is
- Product Code 40990258
- Manufacturer Product Number 40990258/AS04781
- Condition Refurbished
- Guarantee Analog Shift 1 Year Mechanical Guarantee
- Category Pre-Owned Watches
- Brand Pre-Owned Blancpain
- Watch Markers Luminous
- Water Resistant Not Guaranteed
- Recipient For Him
- Movement Automatic
- Case Material Stainless Steel
- Dial Color Black
- Strap Material Nylon
- Diameter 41mm
- Brand Collections Fifty Fathoms
Why We Love It
Here at Analog:Shift, there is virtually no segment of vintage watch collecting that we love more than diver's watches.
We may never know whether they've seen an ocean, battlefield, or only an office in London. Regardless, we know that divers from the golden era of sports watches (1950s-1970s) were purpose-built, tough as nails, and provided functionality for a wide range of people all over the world.
Alongside the Rolex Submariner and DOXA Sub 300 Series, the Fifty Fathoms is without question one of the most important dive watch designs in history. It is also often credited with being the first purpose-built timepiece with sub-aquatic usage in mind.
The Navies of France, Germany, and the United States chose the Fifty Fathoms for their divers, and underwater explorer Jacques Cousteau appeared in a documentary with the watch strapped to his wrist.
This particular example is a military-spec watch that was sold to the general public in the late 1950s and 1960s. It features a 41mm bead-blasted case, an oversize dive timing bezel with a luminous bakelite insert, and a lovely Tritium service dial replaced under contract by Blancpain with its characteristic moisture indicator.
If you are looking to elevate your vintage watch game in a big way, this is not only a great start, but a great finishing point.
The Story
In 1952, the French Navy and Secret Services tasked two veterans with a formidable mission. These men—Lt. Claude Riffaud of the Navy and Captain Bob Maloubier of the Secret Services—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 and sabotage.
Riffaud and Maloubier had a general idea of what gear the divers needed—compasses, depth gauges, watches.
But as far as watches were concerned, there was no watch on the market specifically designed for the use to which these combat divers would put it.
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. He then shopped his idea to several different manufacturers, but all were resistant of this new and esoteric design; all except Blancpain, that is, whose CEO, Fiechter, happened to be an amateur diver himself.
Fiechter relished the chance for his company to create a watch that no other manufacturer had dared to make. He relied on Maloubier’s expertise—and his own diving experience—to build a watch with a Bakelite bezel and rubber gaskets to seal the case. The movement that he used, rather than a manual wind, would be automatic in order to alleviate pressure on the crown from repeated winding.
Blancpain, the esteemed Swiss manufacture that opened its doors in 1735, is known worldwide for crafting some of the most elegant pocket and dress wristwatches in history. Many of these pieces are brilliant works of horological art, and as a category are worth of in-depth study and analysis. But Blancpain's other genius - what has made their legacy - is their entrant into the world of purpose built tool watches, and the industry's prototypical modern diver's watch: the legendary Fifty Fathoms.
Standard Delivery (Est 1-3 Days) - Free
Our secure shipping service delivers Monday - Saturday between 8:00 a.m. and 6:00 p.m. For security purposes, every delivery requires an adult signature; Mayors does not deliver to P.O. boxes nor third party forwarding services. To find out more about delivery, click here. Tracking information is available upon request.
If you have any questions or concerns regarding your order, Mayors’ E-Commerce team can be reached at 1-800-4-MAYORS (1-800-462-9677), option 1, during the following times (Eastern Time):
- Monday - Saturday: 9:00 a.m. – 7:00 p.m
- Sunday: 9:00 a.m. – 5:00 p.m
- Closed Easter Sunday, Thanksgiving Day and Christmas day
Alternatively, you can email the E-commerce team at ecommerce@mayors.com.
Return Policy
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.