Stopwatch function. CASIO F91W-1 Casual Sport Watch. The CASIO F91W-1 is one of the world's most recognised digital watches. Daily alarm function. Strap Material Resin. Closure Buckle. Strap Colour Black.
The "CASIO F91W-1 Digital Watch Black Resin Strap Alarm Stopwatch Water Resistant" is a good fit for those requiring a waterproof, water-resistant smartwatch with features like an alarm and stopwatch.
