WTS] G-Shock GR-B100 Gravity Master w/ STN LCD display, solar charging and Bluetooth connectivity. Includes optional $36 JaysAndKays metal adapters!! Originally $300 MSRP… how has this not sold for just $130??? | WatchCharts
All G-Shock GR-B100 models have been discontinued
GR-B100 - Bluetooth Gravitymaster G-Shock Review - YouTube
Casio G-SHOCK Gravitymaster GR-B100 Series: Yes, I Want This Watch - No, I'm Not A Pilot | Two Broke Watch Snobs
FS: Casio G-Shock GR-B100-1A3 Gravitymaster with Jays and Kays adapter LN | WatchCharts
MASTER OF G - AIR - GRAVITYMASTER - GR-B100 | CASIO
CASIO Watch G-SHOCK Gravity Master Bluetooth Solar Type GR-B100-1A3JF Men's | eBay