Casio G-SHOCK x Ryo Ishikawa Signature Model GM-2100RI23

Casio has announced the release of G-SHOCK GM-2100RI23, the fourth signature model celebrating the brand’s partnership with Japanese professional golfer Ryo Ishikawa.

Casio G-SHOCK x Ryo Ishikawa Signature Model GM-2100RI23

To be available from 20th October this year, this new G-SHOCK shock-resistant watch is based on the GM-2100 line up. GM-2100RI23 features octagonal metal bezel with yellow gold finish, and green deep dial with golf ball dimple pattern.

In addition to Ishikawa’s handwritten signature, the metal case-back is engraved with the words GO FOR THE TOP.

Casio G-SHOCK x Ryo Ishikawa Signature Model GM-2100RI23

Ryo Ishikawa is one of the leading professional golfers in Japan’s golf world, having become the youngest player in history to win 1 billion yen in lifetime prize money in 2019, and with a total of 18 wins on the domestic tour. Casio has signed an affiliation contract with him since April 2013.

Technical details

Model: Casio G-SHOCK x Ryo Ishikawa Signature GM-2100RI23

Length x width x thickness: 49.3 × 44.4 × 11.8 mm
Case/bezel material: Resin/stainless steel
Bezel with gold IP treatment
Impact resistant construction
Inorganic glass
Waterproof: 20 ATM

World time: Time display in 48 cities around the world (31 time zones, with summer time setting function) + UTC (Coordinated Universal Time)
Stopwatch: 1/100 seconds (less than 1 hour) / 1 second (more than 1 hour), 24 hour meter, with split
Timer: Set unit: 1 second, maximum set: 24 hours, measured in 1 second units
Alarm: 5 time alarms, hourly signal

Other features
Fully automatic calendar, 12/24 hour display switching, operation sound ON/OFF switching, double LED light (with super illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds))
Room temperature portable accuracy
Average monthly difference ±15 seconds

Battery life
About 3 years

Suggested retail price
35,200 yen (tax included)