Official Casio Sites:

GShock.com – Official G-Shock USA site
Baby-G.com – Official Baby-G site
G-Shock.jp – Official G-Shock Japan site
G-Shock.eu – Official G-Shock Europe site
World G-Shock – Other official G-Shock sites
Official Pro Trek USA
ProTrek.com – Other official Pro Trek sites

Official Casio Support:

USA
UK
Australia
Brazil
Canada
Europe
India
Malaysia
Middle East & Africa
Singapore
South America

G-Shock Replacement Parts:

PacParts (USA)
American Perfit (USA)
Tiktox (UK)

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