Tissot Navigator World Time - Gear Patrol Exclusive Archived the first commercially available Helium

the first commercially available Helium Release Valve (on the Conquistador models)

With a simple 7-jewel manual-wind movement and the iconic military styling

and that hasn't amounted to many over the last few years

put on your bomber jacket

This particular piece

Tissot Navigator World Time - Gear Patrol Exclusive Archived the first commercially available HeliumEvery vintage mechanical wristwatch was designed for a purpose. Sometimes it was based on style, others on function. The Tissot Navigator was blessed with both. Designed for military wearers probably pilots, because of the inclusion of the world timer bezel this Tissot Navigator T12 is a rare and interesting execution of a 24 hour mechanical watch. While many military watches included 24 hour time by supplementing the dial or bezel with additional