Black resin case and strap.
Black resin bezel.
Black dial with silver-tone hands and index-Arabic numeral hour markers.
Minute markers around the outer rim.
Dial Type: Analog.
Date display between 4 and 5 o'clock position.
Solar movement.
Scratch resistant mineral crystal.
Solid case back.
Round case shape, case size: 59 x 54.7 mm, case thickness: 15.7 mm.
Buckle clasp.
Water resistant at 200 meters / 660 feet.
Functions: date, hour, minute, second, world time, timer, full auto-calendar (to year 2099), stopwatch, alarm.
G-shock Series.
Sport watch style.
Watch label: Japan Movt.
Item Variations: GR-B300-1ADR.
Casio G-Shock Master Of G - Air Alarm World Time Black Dial Watch GR-B300-1A.
Case diameter-dimension 59 x 54.7 mm Case thickness 15.7 mm
Gender: Unisex
SKU: CZGRB300-1A
Added to Clothbase on September 12, 2025.
Last updated on December 09, 2025.
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