GST-B300SD-1A

Distributor product details

These labeled facts were extracted automatically from the Casio Australia distributor for this exact source and reference. They require independent review and are not a published editorial profile.

Case dimensions (L×W×H)

51 × 50.3 × 15.3 mm

Weight

185 g

Case and bezel material

Resin / Stainless steel

Water resistance

200-meter water resistance

Power supply and battery life

Tough Solar (Solar powered)

Crystal

Mineral Glass

World time

World time 39 time zones* (39 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping *May be updated when connected to a smartphone.

Stopwatch

1/1000-second stopwatch Measuring capacity: 00'00''000~59'59''999 (for the first 60 minutes) 1:00'00''0~23:59'59''9 (after 60 minutes) Measuring unit: 1/1000 second (for the first 60 minutes) 1/10 second (after 60 minutes) Measuring modes: Elapsed time, split time

Timer

Countdown timer Measuring unit: 1/10 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)

Light

Double LED light LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

Light color

LED:White

Calendar

Full auto-calendar (to year 2099)

Accuracy

Accuracy: ±15 seconds per month (with no mobile link function)

Band

Solid Band,Stainless Steel Band,One-touch 3-fold Clasp

Construction

Shock Resistant,Carbon Core Guard structure

Smartphone Link feature

Mobile link (Wireless linking using Bluetooth®)

Apps

CASIO WATCHES

App connectivity feature

Auto time adjustment,Easy watch setting,Approximately 300 world time cities,Phone finder

Glass

Mineral Glass

Other

Neobrite

Alarm/hourly time signal

Hourly time signal,5 multi-function alarms (with daily, 1 time, schedule)

Mute feature

Button operation tone on/off

Energy saving feature

Power Saving (display goes blank and hands stop to save power when the watch is left in the dark)

Battery display/alert

Battery level indicator

Run time

Approx. battery operating time: 6 months on rechargeable battery (operation period with normal use without exposure to light after charge) 19 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Other features

12/24-hour format,Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.),Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second) Digital: Hour, minute, second, pm, month, date, day

Observed 2026-10-03 · Regional scope: Australia · Unverified extraction.