Casio G-STEEL GST-W300-1AJF Analog-Digital Solar Watch
The Casio G-SHOCK G-STEEL GST-W300-1AJF is a mid-size analog-digital solar watch from the G-STEEL collection. It features Casio’s Tough Solar power system, Multi Band 6 radio-controlled timekeeping, shock-resistant construction, and 20-bar water resistance.
The watch combines a stainless-steel and resin case with a black soft urethane band and inorganic mineral glass. Its analog hands and digital displays provide world time, a 1/100-second stopwatch, countdown timer, five daily alarms, full auto-calendar, and a needle-retreat function for clearer LCD visibility.
The Casio GST-W300-1AJF uses module 5524 and offers approximately seven months of operation after a full charge without further charging, or approximately 18 months with power saving enabled.
Key Features
Tough Solar power system
Multi Band 6 radio-controlled timekeeping
Casio module 5524
Shock-resistant G-STEEL construction
Stainless-steel and resin case
Inorganic mineral glass
20-bar water resistance
World time, stopwatch, timer, alarms, and full auto-calendar
Specifications
Specification | Details |
Brand | Casio |
Model / Reference | GST-W300-1AJF |
Collection / Series | G-SHOCK G-STEEL Mid-Size |
Movement | Casio module 5524 |
Movement Type | Tough Solar, radio-controlled |
Case Material | Resin and stainless steel |
Case Diameter | 49.3 mm |
Case Thickness | 15.3 mm |
Crystal | Inorganic glass |
Band | Soft urethane resin band |
Water Resistance | 20 bar |
Functions | Multi Band 6, world time, 1/100-second stopwatch, countdown timer, five daily alarms, hourly time signal, full auto-calendar, needle-retreat function, battery-level indicator, power saving |
Power Reserve | Approximately 7 months; approximately 18 months with power saving |
Other | Case size: 55.9 × 49.3 × 15.3 mm; weight: 84 g; band fit: 145–215 mm; double LED light |
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