Casio’s G-SHOCK has released ... to include a heart rate monitor. Casio GW-9500MRY-1A9 Mudman Casio GPR-H1000RY-1A9 RangeMan Casio GR-B300RY-1A9 GravityMaster These watches are built for tough ...

A range of G-SHOCK multi-sport watches with heart rate monitor and GPS. Numerous features for tracking various workouts are included with these watches. Take your swimming sessions to the next level ...