Air pressure, Longines’s new pilot’s watch features a twist you may not notice straight away. There’s somewhat triangle at the edge from the dial which, Inspite of staying beneath the glass, rotates whenever you turn the bezel owing to some clever engineering. Accutron released a reissue of its classic Astronaut, https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/