For G-SHOCK GA-2100 GA-2110 Stainless Steel Case Rubber Strap 2nd Mod Kit +Tool | eBay
CASIO G-SHOCK - Built from the ground up. The new GA-2110 'Earth Tone' Greyout incorporates G-SHOCK's iconic Carbon Core Guard structure in our slimmest ever design. The GA-2110: https://g-shock.co.uk/ga-2110et-8aer | Facebook
Amazon.com: Neuupesen GA2100 Modification Kit - 5th Generation Stainless Steel Case with Metal Band - Compatible with Gshock GA-2100/GA-2110/GA-B2100 - Watch Accessory Replacement (Black metal set) : Clothing, Shoes & Jewelry