The lightweight and thin digital LCD model F-91 has a minimalist face design with few function markings. The one-tone colors of black, blue, white, and dark gray give a simple and clean impression. Biomass plastic is used for the resin material of the band. It uses renewable organic resources as raw materials, and is expected to contribute to reducing the burden on the environment. It also has practical functions such as date and day of the week display, alarm, and stopwatch.
・Waterproof for daily use ・Stopwatch (1/100 seconds, 60 minutes, split)
・Time alarm ・Time signal ・Auto calendar (February 28th)
・ 12/24 hour display switching
・ LED backlight
・ Battery life: approx. 7 years * Battery life is calculated from the time of manufacture due to the monitor battery

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Casio  wristwatch  Casio F-91W  Silver  Casio F91W