Craig J. Larson wrote: >When the battery gives out in the No Slot Clock, it cannot be >replaced. At least you can replace it on the Applied Engineering products. But new "No Slot Clock" chips are still available from Maxim (who bought Dallas Semiconductor) and their distributers. The part number is DS1216E. There is also some info on the web (somewhere...) about adding an external lithium cell to a discharged Maxim/Dallas "Smartwatch" chip. Google Groups turns up: > http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&selm=david.916025791%40u513 or > http://groups.google.com/groups?selm=001401c222c9%24242d13a0%244542510c%40 martingo&output=gplain At any rate, $25 every ten years or so for a new Smartwatch isn't excessive, IMHO. -michael Check out 8-bit Apple sound that will amaze you on my Home page: http://members.aol.com/MJMahon/