Suunto Core Alpha Stealth - a tactical watch for all-round use
Watch Accessories Battery Cover Waterproof Ring Watch For Suunto Core Watch Bottom Cover Watch Parts - Watchbands - AliExpress
Duracell x 2 battery kit for suunto Core , t1, t3, t4, Essential + instructions | eBay
Suunto Core All Black - My buddy got it for me a few Years ago. Super dependable. Needs a battery annually. It's seen U.S., Germany, Romania, Iceland, Mexico, Kuwait, and Syria. :