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Casio G-Shock Black Resin Strap Men's Watch GA100-1A4
Casio

Casio G-Shock Black Resin Strap Men's Watch GA100-1A4

Model: GA100-1A4

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Description

Casio GA100-1A4 details

Black resin case with a black resin strap. Fixed bezel. Black dial with red and silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog-digital. Digital day of the week and date. Chronograph - three sub-dials displaying: 60 second, 60 minute and 1/10th of a second. Quartz movement. Scratch resistant mineral crystal. Solid case back. Case size: 51.2 mm. Case thickness: 16.9 mm. Round case shape. Tang clasp. Water resistant at 200 meters / 660 feet. Functions: day, date, 1/1000th second stopwatch, speed indicator. hourly time signal. auto-calendar. daily alarm. countdown timer. backlight auto led light with afterglow. 12/24-hour formats. world time 29 times zones (48 cities + utc)., hour, minute, second. Additional Info: 29 times zones, 4 daily alarms, an hourly alarm. Sport watch style. Item Variations: GA100 1A4, GA100.1A4, GA1001A4. Casio G-Shock Black Resin Strap Men's Watch GA100-1A4.

The lowest new USD price we found for the Casio GA100-1A4 is $73.00 at Jomashop, checked 1 Nov 2026, 22:37 UTC, across 2 retailers in stock when checked. The lowest price recorded in the last 30 days is $73.00, at Jomashop on 20 Oct 2026, 07:41 UTC.

Specifications

Case diameter
51
Case material
Resin
Case thickness
16.9 mm
Bracelet
Resin
Crystal
Scratch Resistant Mineral
Clasp
Tang
Water resistance
200 meters / 660 feet
Dial
Black
Calendar
Digital Day of the Week and Date
Functions
Day, Date, 1/1000th Second Stopwatch, Speed Indicator. Hourly Time Signal. Auto-Calendar. Daily Alarm. Countdown Timer. Backlight Auto LED light with afterglow. 12/24-Hour Formats. World Time 29 times zones (48 cities + UTC)., Hour, Minute, Second
Hands
Red and Silver-tone
Case back
Solid
Bezel color
Black
Bezel
Fixed
Movement
Casio Calibre 5081

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Compare current offers

2 current offers
Jomashop$73.00
Lowest price

In stock

$73.00

Shipping not supplied · Checked 1 Nov 2026, 22:37 UTC

Shop at Jomashop →
Creation Watches$91.00

Price history

Lowest observed$73.00
Observed price history for Casio G-Shock Black Resin Strap Men's Watch GA100-1A4 Step chart of 17 validated retailer price observations. Each listing's last observed price is carried forward from its first observation to the chart's end. Dots mark actual observations. The horizontal axis is observation date and the vertical axis is listed price in USD. $95.00$90.00$85.00$80.00$75.00$70.00 Aug 31Sep 21Oct 12Nov 1 Creation Watches: $87.00, 18 Sept 2026, 18:39 UTCCreation Watches: $87.00, 25 Sept 2026, 17:49 UTCCreation Watches: $87.00, 1 Oct 2026, 16:34 UTCCreation Watches: $91.00, 7 Oct 2026, 16:19 UTCCreation Watches: $91.00, 13 Oct 2026, 16:34 UTCCreation Watches: $91.00, 19 Oct 2026, 17:18 UTCCreation Watches: $91.00, 25 Oct 2026, 22:37 UTCCreation Watches: $91.00, 31 Oct 2026, 21:34 UTCJomashop: $73.00, 31 Aug 2026, 02:45 UTCJomashop: $73.00, 3 Sept 2026, 21:16 UTCJomashop: $73.00, 6 Sept 2026, 21:16 UTCJomashop: $73.00, 12 Sept 2026, 12:16 UTCJomashop: $73.00, 15 Sept 2026, 12:34 UTCJomashop: $73.00, 18 Sept 2026, 12:47 UTCJomashop: $73.00, 21 Sept 2026, 13:04 UTCJomashop: $73.00, 20 Oct 2026, 07:41 UTCJomashop: $73.00, 1 Nov 2026, 22:37 UTC Observation date Listed price (USD)
  • Creation Watches$91.00 · 8 observations
  • Jomashop$73.00 · 9 observations

Price comparison at a glance

Lowest current listing
$73.00
Jomashop · In stock
Checked 1 Nov 2026, 22:37 UTC
Retailers compared
2
Compared with the next retailer
$18.00 less
Latest retailer check
1 Nov 2026, 22:37 UTC

Lowest recorded price in the last 30 days: $73.00 at Jomashop on 20 Oct 2026, 07:41 UTC. Prices recorded on 7 days, from 7 Oct 2026, 16:19 UTC to 1 Nov 2026, 22:37 UTC.

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