Dodane Type 21 Chronograph C.E.V. with Valjoux 231, The Chrono was used by the C.E.V. (Centre d’Essai en Vol), the test flight centre of the French Airforce. Just a few of the Type 21 watches were issued to the CEV.
It is driven by the ultra rare Valjoux 231. it was just built 200 times. Ultra rare Valjoux 231 flyback movement.
The Requirements for a Type 21 chrono demands a size of 38mm without crown, so this is the size. Lug width is 20mm.
The case back clearly shows the CEV registration number.
The Watch has a warranty of one year.