Hey Ben
I have a Casio G-Shock that I've had for eight years I just replaced the battery last month and it is still going strong
mine is the 300 "Solar" atomic watch keeps great time it updates every night at 0300 and 0400 for precision

Mike
_________________________
EDC: Samsung Galaxy Note 2,DR PSK, Swiss Army Champ, Leatherman Blast
My Blog emergencybobs.wordpress.com