The G1581 (GBM‑2100‑1ADR) includes a 1/100-second stopwatch, countdown timer, five daily alarms, world time covering 38 time zones, full auto-calendar up to 2099, and a hand shift function that moves the analog hands aside for clear digital display viewing https://saicreationswatches.com/products/g1581-casio-g-shock-gbm-2100-1adr-analog-digital-watch-men