The GMA‑P2100M‑7ADR (G1700) includes world time (31 zones, 48 cities + UTC, DST on/off), a 1/100‑sec stopwatch, a 24‑hour countdown timer, 5 daily alarms, an hourly time signal, a full auto-calendar (to 2099), 12/24‑hour format, hand shift function, and mute button operation. https://saicreationswatches.com/products/casio-g-shock-gma-p2100m-7adr-g1700-white-womens-watch