Two silver oxide batteries (at up to $4.95 each) run the whole dazzling show and need to be replaced about once a year. In the LCD watch world, a six-month-old model is considered primitive. Says Hudak, "You'll find a lot of people that after a year, when the battery runs out, are ready for the new model."
Are the generations of LCDs too much, too soon? After all, some of us are inexorably slowing down, and who wants to know that unforgiving information every step of the way? Unless, perhaps, next year's Son of J-100 will tell you, as you pant along, that "you're looking good," or some other reassuring nonsense.