Casio A1363 Wrist Watch

provides world time, which enables users to quickly select from about 300 cities, and displays the time with split-second precision by connecting to smartphones via Bluetooth. The large inner dial on the 4 o'clock side is a speed indicator. An average speed sign based on predetermined distances is shown when measuring lap times. For night vision, it has a completely automated LED light that illuminates the dial and liquid crystal display with a simple wrist tilt.