Before using this guide, we recommend: Download official GMD-B800 Manual → Watch official 3486 GMD-B800 Manual Online → All settings are clearly explained and understandable.
Casio Watch Line: G-ShockBattery type: CR2025Battery price: 6$ [average Amazon price. We may earn a commission on qualifying purchases from our links to Amazon]Original Battery for: G-Shock GMD-B800 WatchCompatible with models: GR-B200, DW-5900, GBD-800, G-2900, G-9100, GD-100, G-9000, GG-B100
Casio Watch Line: G-ShockModule number: 3486Manual in PDF: Watch 3486 Online → (without downloading, good for mobile);English Instruction Manual in PDF: Download Like your watch? Enjoy our recent news about GMD-B800 Series All G-Shock GMD-B800 News →