Horological Meandering

IT WORKED WHERE OTHERS FAILED It was worn in the left glove pocket of A-12 pilots. Mechanical watches suffered in high-speed flight: temperature swings warped movements , gaskets failed under pressure changes , and G-forces disrupted balance wheels . The ...  

Accutron Astronaut 214HN M9 friction bezel (no click) ...  

Thanks for the photos and information. Best, Emmanuel