The B640WDG-7DF is a Casio Vintage unisex digital watch with a glitter-accented LCD face, stainless-steel band with adjustable clasp, LED backlight, 1/100‑second stopwatch, countdown timer and 50 m water resistance.
Case Size: 38.9 × 35 × 9.9 mm
Weight: 49 g
Case Material: Resin
Band: Stainless-steel band; adjustable clasp
Glass: Resin glass
Display: Digital LCD with glitter face
Functions: 1/100‑second stopwatch; countdown timer; multi-function alarm; hourly time signal; full auto-calendar