G-Shock How to

How to set time on G-Shock GM-B2100 / Casio 5691

Before using this guide, we recommend: Download official GM-B2100 Manual → Watch official 5691 GM-B2100 Manual Online → All settings are clearly explained and understandable.

Batteries G-Shock News

Battery for G-Shock GM-B2100 Watch / CTL920

Casio Watch Line: G-ShockBattery type: CTL920Battery price: 20$ [average Amazon price. We may earn a commission on qualifying purchases from our links to Amazon]Original Battery for: G-Shock GM-B2100 Watch

G-Shock Manuals

G-Shock GM-B2100 User Manual / Casio Module 5691

Casio Watch Line: G-ShockModule number: 5691Manual in PDF: Watch 5691 Online → (without downloading, good for mobile);English Instruction Manual in PDF: Download Like your watch? Enjoy our recent news about GM-B2100 Series All G-Shock GM-B2100 News →