What is the history of the fake 43mm Fifty Fathoms?
The 43mm Fifty Fathoms exists because Blancpain revived the Bathyscaphe in 2013, and replica makers followed within about two years. Early fakes reused generic 41mm dive watch cases with a printed bezel insert. Later generations copied the Bathyscaphe case profile, added domed sapphire and moved to cloned movements. The result is a replica lineage that tracks genuine production changes with a two to four year lag.
fake fifty fathoms 43mm watch price
When did the original Fifty Fathoms launch?
Blancpain released the Fifty Fathoms in 1953. Jean-Jacques Fiechter, then running the company and a committed diver, developed it with the French Navy's Nageurs de Combat. The watch brought a locking rotating bezel, a moisture indicator and a screw-down caseback to a market with no dive watch standard.
The name refers to 50 fathoms, roughly 91 meters, the depth rating claimed for early examples. Navies in France, Germany, Israel and the United States issued variants through the 1950s and 1960s.
fake fifty fathoms 43mm watch review
Where does the 43mm case size come from?
The first Fifty Fathoms measured about 41mm, which was large for 1953. Modern reissues grew to 45mm with the 2007 ref. 5015, and the Fifty Fathoms Automatique stayed in the 42mm to 45mm range. The 43mm figure belongs to the Bathyscaphe family, relaunched in 2013 as a slimmer, more wearable alternative.
fake fifty fathoms 43mm watch price
That distinction matters when you date a watch. A 43mm Fifty Fathoms is almost always a Bathyscaphe or a Bathyscaphe-style case, not an Automatique.
When did 43mm replicas enter the market?
Replicas of the 43mm Bathyscaphe appeared around 2015. First-generation examples ran tall, used a flat printed bezel insert and skipped the sunburst dial finish. Second-generation versions added ceramic-look inserts and a decorative bridge plate over a Miyota 9015 or ETA 2824 base.
Later releases corrected case height and improved lume application. Price tiers still track finishing quality more than any single visible feature.
What gives a fake 43mm Fifty Fathoms away?
- Case thickness. Genuine Bathyscaphe cases sit near 13.8mm. Many replicas run 14.5mm or more.
- Bezel action. The real bezel indexes with crisp clicks and no back play.
- Date window. Font weight, magnification and position differ from the genuine aperture.
- Movement finish. Look for a free-sprung balance and correct engraving, not a decorated rotor over a stock movement.
- Caseback engraving. Depth rating and reference text should be shallow, sharp and evenly spaced.
- Dial printing. Faux-aged lume and thick serifs are common on replica dials from every generation.
Why do collectors study replica timelines?
Each replica wave shows which details the market struggled to copy. Bezel lume, crown threads and dial printing are the usual shortcuts. That record helps authenticate genuine watches and date service parts.
Documented replica generations also help auction houses and insurers flag altered pieces. A 43mm Bathyscaphe with a mismatched movement is easier to identify once the fake lineage is known.
Is it legal to buy a fake Fifty Fathoms?
No in most jurisdictions. Counterfeit watches infringe trademarks, and customs agencies in the US, EU and UK seize them on entry. Selling a replica as genuine is fraud in every major market.
Treat this history as a study aid for spotting fakes, not as a buying route. Authenticity documentation and service records remain the only reliable proof of a genuine Blancpain.