
TYPE 20
Ref. 421.436S
$3,990
THE STORY The Type 20 designation symbolizes a specific set of criteria for pilot’s chronographs mandated by the French Ministry of Defense. A standout feature of the Type 20 was its ‘flyback’ function, enabling pilots to swiftly reset the chronograph hand, facilitating quick initiation of a new timing event without the delay caused by pressing additional buttons. Original Type 20 chronographs boasted distinct features: a 38mm diameter case, a black dial with luminescent indexes and hands, a hand-wound mechanical chronograph movement with flyback complication offering over 35 hours of power reserve, a relative precision within + or – 8 seconds per day, and robustness capable of enduring over 300 chronograph resets without impacting the movement’s functionality. The new Airain Type 20 faithfully adheres to the precise design and specifications of the original 1950s Type 20. This re-edition incorporates a hand-wound column wheel chronograph with a flyback function and a countdown bezel. Its black dial, shielded by a domed sapphire crystal, mirrors the Arabic numerals seen on the original 1950s Type 20, featuring twin registers at 3 and 9 o’clock that can time up to 30 minutes. Carefu
Specifications
Case
- Case size
- 39 mm
- Lug-to-lug
- 47.35 mm
- Thickness
- 10.5 mm
- Lug width
- 20 mm
- Case material
- 316L stainless steel
- Crystal
- sapphire
- Caseback
- sapphire crystal caseback
Movement
- Movement
- manual
- Caliber
- AMT AM2
- Power reserve
- 63 h
Water
- Water resistance
- 50 m
About Airain
Airain has a genuine vintage pedigree: in the 1950s it was among the small group of French houses (alongside Breguet, Dodane and Vixa) commissioned to supply the Type 20 flyback chronograph to the French military, and in 1962 it launched the original Sous-Marine dive watch. After decades of dormancy the name was revived by collector-led group CDMLEC (also behind Lebois & Co. and Fixoflex). The modern brand leans hard into historical accuracy, reissuing the Type 20/21 column-wheel flyback chronograph with a Swiss AMT hand-wound movement and the Sous-Marine diver with a La Joux-Perret automatic, in vintage-correct dimensions and finishing.
More from Airain







