These subseries come with Step Tracker
[3516]
[5554]
[5641]
[5737]
[3481]
[3506]
[3568]
[3464]
[3475]
[3515]
[3482]
[3552]
[5594]
[5555]
[5540]
[3567]
[3486]
[3554]
[5635]
[3491]
[GSW-H1000]
G-Shocks use a built-in 3-axis acceleration sensor to count steps when you walk.