Casio International Edition G Shock Carbon Core Guard Black... for $299 for sale from a Seller on Chrono24
Amazon.com: CASIO GMA-S2100SK-1AJF [G-Shock"GA-2100" Smaller and thinner Model Metallic Skeleton Concept] Watch Shipped from Japan Aug 2022 Model : Clothing, Shoes & Jewelry
G-Shock Skeleton Series Clear GA2100SKE-7A
Hands-On: Casio G-Shock 'Casi-Oak' GA2100SKE-7A Transparent Series Watch | aBlogtoWatch
CASIO G-SHOCK GA-2100 Quartz skeleton Mens Watch Used 2n09017 | eBay