The Casio Collection B640WB-1BEF is a unisex watch in retro style with slight avant-garde touches that bring a modern look to its design and functions.

• Printed circuit.
• Digital.
• Resin case and black stainless steel strap.
• Adjustable clasp.
• Negative black display.
• LED light.
• Flashing display that alerts you when an alarm or countdown has been reached.
• Stopwatch with 1/100-second resolution, up to 24 hours.
• Timer from one second to 24 hours with automatic repeat, well suited to training exercises or taking medication.
• 1 multi-function alarm that lets you set either a daily alarm at a specific time or an alarm for a specific day and time, by setting the month, day and hour.
• Auto calendar.
• 12/24-hour format.
• Water resistant to 50 m.
• 3-year battery.
• 3-year warranty.