Does the radio sync work for you? I have a 15 year old G-shock watch and the sync stopped working for me years ago. :(
The last time we talked about it he said it had been a great watch and he wouldn't go anywhere without it.
I don't wear watches or other jewelry (except wedding band) and haven't worn a watch since the late 1970's when I found a Timex in the dirt while walking a pipeline looking for oil spills in central Texas. I picked it up and cleaned the dirt from it and it started ticking. It was an auto-winder model. I wore that for a couple years and eventually gave it away since my own internal clock keeps me accurate to within 15 minutes all day long and if I really think about it I can be accurate most times to within 5 minutes by mentally replaying my day.
I learned to time my scuba-diving safety stops by singing songs. Makes for more interesting dive planning, have to choose the right songs for the dive profile.
Evidence of accuracy is that I am writing this post.
The radio-sync may have stopped working due to simple geographic limitations? Where I live, I'm on the edge of the Berlin radio-signal, and I find it sometimes fails (atmospheric conditions?), but then you can always try apps that synchronize with a sound signal.
I actually have no idea how, but they do actually work! I've used one called Clock Wave from the Apple appstore[0], and it has worked flawlessly.
I'm totally loving my G-Shock. Mine is also solar-powered - which is such a liberating feeling. And includes a barometer, thermometer, compass and altimeter (the altimeter is pretty useless unless barometer-pressure is constant, though - but it's incredibly accurate for elevations of short duration).
I was using my iPhone as my watch for a while, but each time I took it out of my pocket to check the time, I'd get distracted and drawn into some meaningless cellphone activity. Now I check air-pressure and where North is instead :)