Universal Genève Tri-Compax Moonphase GAS Line where the movement is shrouded

where the movement is shrouded in a steel “clamshell” that then fits into the top bezel assembly with lugs affixed via the aforementioned four screws

Created alongside similar watches made for military use and commissioned by the Italian Air Force

The Hamilton Otis used Chauvot's case designs

Although Martel continued to collaborate with Universal Genève

Universal Genève Tri-Compax Moonphase GAS Line where the movement is shroudedThe term 'Grail' in wristwatch collecting suggests a stature of rarity, excellence, historical significance, and an emotional 'X Factor' that blurs the lines between reason and heart. Most of the time, however, the word is overused and applied simply to expensive watches that are hard to get new at retail. This is not one of those times. The Universal Genve Tri Compax line is one of the most desirable series of complicated vintage models ever made.