Horological Atlas
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Airain· ChronographRef. 421.702

Type 20 70 Ans

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Price
EUR4,650
≈ USD 5,414 · rate of Aug 28, 2026

The 70 Ans marks seventy years of the Type 20 with a Horizon Blue grained dial, a colour Airain says is inspired by early 20th-century French design, on the 39 mm steel case with a beige leather strap. It runs the hand-wound AM2 column-wheel flyback chronograph with 63 hours of reserve; Airain says the initial batch has sold out.

Movement
Calibre AM2 (Manufacture AMT)
Case
39 mmStainless steel
Reserve
63h
Water
50 m
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Specifications sourced from airain.com ↗
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Specifications

Case
Construction
Brushed and polished steel case, 39.5 mm at the bezel; bidirectional friction bezel, 12-hour countdown; double domed sapphire
Diameter
39 mm
Thickness
14.97 mm
Material
Stainless steel
Lug to lug
47.5 mm
Water resistance
50 m
Movement
Caliber
Calibre AM2 (Manufacture AMT)
Power reserve
63h
Jewels
23
Complications
Chronograph, Small Seconds
Dial & strap
Dial
Horizon Blue grained, Arabic numerals in beige Super-LumiNova
Strap / bracelet
Beige leather strap with Horizon Blue lining, Airain double buckle
Catalogue
Tier
Premium

Collector photographs

Taken by people who own this reference: their light, their wear, their patina. Not the maker’s photography. Where the maker hasn’t given us a photograph, one of these is shown as the main image above, always credited. A few are the Atlas’s own, and say so.

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The maker's page for this exact reference, the same page this catalogue's specifications are sourced from.

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