# Hatsuo Watch This is a British military-type pilot's military watch. It features a sapphire crystal glass and a Seiko VH31 movement. This movement operates smoothly, with the second hand moving continuously like a mechanical watch. This is a very high-quality watch. Case diameter: 38mm Lug width: 20mm 100m water resistance Recommended for those who like military watches and American casual styles, such as HAMILTON, LACO, SINN, MARATHON, LUMINOX, and BENRUS.