The G1660 (DW‑5000R‑1ADR) includes a 1/100-second stopwatch, a countdown timer (up to 24 hours), a multi-function alarm, and a flash alert, blending retro charm with practicality. https://saicreationswatches.com/products/casio-g-shock-dw-5000r-1adr-g1660-digital-watch