Casio F91W-1 Digital Watch 7 Year Battery Blue Black Microlight Classic New 79767246280 | eBay
Casio F-91W Full Review - The Truth About Watches
Casio F-91W Durability Test - F91W Hammer Hit test, Strap tested, water resistance - YouTube
Smart watches will get you killed at night. Al-Qaeda used the Casio F-91W - which is cheap, extremely common, weighs nothing, is water resistant, has a button for the screen light, doesn't