Mathey-Tissot x Massena LAB Type XX Tribute ChronographIntroducing the Mathey Tissot x Massena LAB Type XX Tribute Chronograph, one of two vintage inspired chronographs released in collaboration with famed, Swiss watchmaker Mathey Tissot, both honoring one of the great tool watches of mid century aviation. In the 1950s and 60s, several prominent manufacturers, like Breguet, were issued contracts by the French Ministry of Defense (MOD) to produce pilots watches according to certain military specifications.