Casio Vintage B640WB-1BEF Black Digital Stainless Steel Bracelet Watch

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The Casio B640WB-1BEF is a unisex digital watch featuring a 35mm black resin (plastic) square case with a thickness of about 9.4mm, paired with a black stainless steel Milanese (mesh) bracelet with a sliding adjustable clasp for a comfortable fit on wrists approximately 160–210mm. It uses a digital quartz movement and includes a mineral glass crystal protecting the dial. Key functions are a 1/100-second stopwatch (up to 24 hours), countdown timer with auto-repeat, 3 multifunction alarms (daily, date, monthly), hourly time signal, full auto-calendar (up to year 2039), and 12/24-hour time formats. The watch also features an LED backlight for clear visibility and a flashing alert for alarms and signals. Water resistance is rated to 50 meters (5 ATM), suitable for showering and everyday use but not for swimming or diving. The overall design blends classic digital retro styling with practical functions, all backed by a two-year manufacturer warranty. The watch weighs approximately 44 grams and offers a reliable, versatile timepiece with a sleek black aesthetic and durable construction. This model is well regarded for combining vintage charm with modern digital utility in a compact, comfortable package.