Casio

Showcasing a sleek 56mm Stainless Steel case with a Stainless Steel bracelet and a secure Deployment clasp.
Other features include a stunning black dial with an analogue display screen and mineral glass for added protection.
Powered by a Quartz movement, this timepiece is also water resistant up to 200 metres

The British Army G-SHOCK Mudmaster colloboration model features an updated Carbon Core Guard Structure and triple-layered carbon-insert bezel, providing extreme durability in a lightweight case.
Boasting a dual-layered case back of thin stainless steel and fine resin to keep it airtight, it becomes resistant to shocks while providing comfortable wear all day long.
Major features of the GG-B100BA-1A include the Quad Sensor (altimeter-barometer, thermometer, compass, step counter), Bluetooth mobile link, calorimeter (a calorie counter utilizing the altimeter and step tracking sensors), carbon fiber bezel, trackback feature with location indicator, mode menu customization, stopwatch, countdown timer (24 hour), 5 daily alarms, sunrise/sunset time, and auto double LED (Super Illuminator) lights.

From G-SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, come new G-STEEL models that boast a new shock resistant Carbon Core Guard structure.
The case is made of fine resin that incorporates carbon fiber for light weight along with rigidity that is superior to that of resin.
This material protects the internal module from shock-induced damage and deformation.
The dual back cover protects the back surface against impact.