B640WD-1AVDF This Casio Vintage digital model features a silver stainless steel band with an adjustable clasp and a silver-tone resin case and bezel, paired with a classic digital display for a clean retro look. Built with resin glass and 50-meter water resistance, its compact lightweight design makes it comfortable and practical for everyday wear. Confirmed functions include a 1/100-second stopwatch, 24-hour countdown timer with auto-repeat, multi-function alarm, hourly time signal, flash alert, full auto-calendar, 12/24-hour format, and amber LED backlight, making it a versatile vintage-inspired watch with timeless silver styling.