Discover the Casio B640WB-1B, a unisex digital watch with 80s vintage charm. The all-black style, understated aesthetic, and essential functions make it perfect for everyday wear and as a distinctive element of your look.
2. Key Features (SEO keyword bullet list)
LED backlight (amber color) – for reading the time even in the dark
1/100 sec stopwatch, up to 24 hours – measuring elapsed time, split times, 1st/2nd place times
Countdown timer (up to 24 hours, with auto-repeat)
Multifunction alarm and hourly time signal with flash alert or up to 2039
12/24 hour formats and accuracy ±30 sec/month
Water resistance 5 bar (shower, rain)
Resin case (38.9 × 35 × 9.4 mm), weight 49 g, stainless steel strap with black ion plating and adjustable clasp
