Time to grab another Casio watch for use in airsoft, Milsim, and outdoor purposes with the rugged Casio PRO TREK Smart WSD-F30... "Go Harder with wearable map Military Standard compliance. The WSD-F30 conforms to the MIL-STD-810G standard for durability established by the U.S. Department of Defence.

CASIO has confirmed that it operates properly in widely varied environments, meeting users’ toughest outdoor needs."