• Adjustable blue 20mm fabric strap fits up to 8-inch wrist circumference
• Charged by any light with a four-month power reserve
• Blue dial with partial Arabic numerals; date window at 3 o'clock; 24-hour military time
• Durable blue 40mm resin case with acrylic crystal. The tachymeter feature can be used to measure speed in miles per hour (MPH), nautical miles per hour (knots) or kilometers per hour (KPH) using the sweep second hand and the scale on the wall above the watch face You need to know the actual distance you are covering in miles or km
• Water resistant to 50m (165ft:  in general, suitable for short periods of recreational swimming, but not diving or snorkeling

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