Battery Life / Accuracy
Tough solar (8 months without exposure to light) (+/-15 seconds per month)


Mineral crystal


Double LED light (full auto LED light, super illuminator, afterglow)


Case & Band Material
Resin / stainless steel case with resin band


Water Resistance


Case Size
Thickness: 16.7 mm
Diameter: 52.5 mm
Length: 55.1 mm


Other Specifications
Shock resistant
World time (31 time zones)
1/100-second stopwatch
Countdown timer
5 daily alarms
Hourly time signal

Hand shift feature

Battery level indicator

Power saving (display goes blank to save power when left in the dark)
Full auto-calendar (to year 2099)

12/24-hour format

Button operation tone on/off

Regular timekeeping (analog-digital display)

G-Shock GAS-100B-1A Gelburst

SKU: GAS-100B-1A
$219.00 Regular Price
$175.20Sale Price

    Shipping & Returns

    Payment Methods

    Tel: +65 92310658

    10 Eunos Road 8, #B1-111, Singapore Post Centre

    Singapore 408600

    © 2020 by Watch Club Online

    • Black Facebook Icon
    • Black Instagram Icon
    • Black Pinterest Icon