GM-S2100 is one of the smallest G-Shocks and Casio markets the series as unisex or women's. But in the wider world of wristwatches, its dimensions fall on the sweet spot for men's
Amazon.com: Casio GM-2140GEM-2AJR [G-Shock 40th Anniversary Limited Model G-Shock 40th Anniversary Adventurer's Stone Series] Men's Watch Imported from Japan Jan 2023 Model, Blue / black : Clothing, Shoes & Jewelry
G-Shock debuts GM-2100 and GM-S2100 metal-covered "CasiOaks"
WTS] G-Shock GMS2100 40mm Casioak, black metal : r/Watchexchange
This Watch Broke The Internet… | WatchGecko
Casio Women's Gmas120mf-2a2 G-shock 40mm Pink Dial Resin Watch for sale online | eBay