Wrist PDA watches are the fossil wrist watches. It was manufactured by Fossil and it has a tiny grey pixel screen and it runs in the palm OS 4.1.Like other OS devices, it can synchronize with computers. It has a watch mode with several watch faces. Among the fossils wrist PDA, Abacus is the cheaper version. life coach . It has lot of functionalities and is more flexible. Abacus watches has 20 different alarms. It has a touch screen and it is of folded type. It has a calender; memo, time, address book and calculator. We can also buy additional applications and install on it. It looks chunnky and we can access Ms-word and PowerPoint too..With the help pf this PDA we can read eBook and install many freeware and shareware applications. We can also play games. Abacus watches are big in size but it is not much heavier. We can charge or synchronize by using the USB. It has 8MB RAM. We need to charge these watches internal battery for 2 hours in a day. family attorney . These are well engineered and it is easy to use. It has a excellent controls and are termed as smart wrist watches. It costs around $75.We can also enter the text in these watches. We can switch over between thw world clock and the calendar. It is long lasting. It is a popular hand held device and has a mall screen display. Different brands are available such as silver metal, black leather, brown saddle, orange crocodile strap etcIt has the weight of 5-7 oz and it has the battery life of 3-4 days.