Blancpain
Blancpain

Fifty Fathoms

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Fifty Fathoms

1953

Widely credited as the first modern diving watch, developed with French combat divers and named for the depth at which hull plates buckle.

Category
Dive watch
Designers
Jean-Jacques Fiechter
Case materials
Titanium, stainless steel, 18k red gold, ceramic
Sizes
42mm, 45mm
Dial
Black or blue dial with luminous trapeze markers
Crystal
Domed sapphire crystal
Strap / bracelet
NATO strap, rubber strap, or metal bracelet
Movements
Calibre 1315
Movement type
Automatic
Power reserve
120 hours (5 days)
Water resistance
300m (30 ATM)
Complications
Date · Unidirectional dive bezel
Key references
5015-1130-52, 5015B-1130-B52A
Price band
$14,000–$20,000
The house

Blancpain

Recognized as the world's oldest watch brand still in continuous operation, and the creator of the first modern dive watch, the Fifty Fathoms.

Founded
1735
Founder
Jehan-Jacques Blancpain
Headquarters
Le Brassus, Switzerland
Signature materials
18k red gold, titanium, ceramic, sapphire
Signature movements
In-house calibre 1315, 13R0, 11A0 families with silicon balance springs
Notable designers
Jean-Jacques Fiechter
Other Blancpain collections