The full model number is G1707, which corresponds to GA‑B2100BBR‑1ADR, a modern take on the octagonal “CasiOak”—featuring a black exterior and vibrant red LCD for striking visibility. https://saicreationswatches.com/products/casio-g-shock-ga-b2100bbr-1adr-g1707-analog-digital-unisex-watch