The Seiko 5 Military Automatic Sports SNZG09J1/SNZG09J is perfect for outdoor enthusiasts and military - style watch lovers. Wear it when you're hiking, swimming or just going about your daily life. With a case diameter of about 40.5mm without the crown and 43mm with it, it fits comfortably on your wrist. This watch made in Japan offers reliable performance and is water - resistant up to 100m, so you don't have to worry about getting it wet.