http://www.chinabuye.com/ohsen-a001-fashion-dual-movement-waterproof-digital-sports-wristwatch-for-men-led-alarm-yellow,
This watch adopts unique dual movement, digital and quartz to guarantee durable and accurate time. There is a LED light with it, after you press the button controlling lighter, it can illuminate LED light for three secondsso that you can read the time in darkness or on night. It is so convenient that you can read the time by two ways. There are four bottons you can choose: mode, light, reset and ST/SP. As its alarm function, so it not only a watch can tell you the time, but also a alarm clock can wake you up.
Features:
* 100% Brand new with high quality
* Dual movement: digital and quartz
* Quadrate dial, 3ATM water resistant
* Four buttons to control different functions for convinience
* Band material: PU leather
* Case Material: Stainless steel back
* Dial size: Approx 4.2*2.8*1.0cm/1.65*1.10*0.39inch
* Band width: Approx 2.5cm/0.98inch
* Whole length: Approx 24.0cm/9.45inch
* Working temperature: -10 to 50 degree
* Battery: CR2025, can work for three years
Five main functions:
* 12 digits display: hour, minute, seconds, month, day, week
* 12/24 hour format choice
* Alarm with sleep function
* Hourly chime function
* A stopwatch (1/100 SEC precision)