Casio FTW100D-7V
I have this one, not a "pilot watch" per se, but very useful. I like it for the following reasons:
- Digital
- Atomic Timekeeping- sets itself to the atomic clock in Ft. Collins, CO
- Sunrise/Sunset Data - So you can easily check to see when you can start logging night landings
- Auto Backlight with Afterglow- you can see it at night without having to press any buttons on the watch
- World Time- 29 times zones (30 cities), city code display, daylight saving auto/on/off
- 12/24 Hour Formats
- Solar power- it recharges itself
- It was only $35.
It also has the standard alarm, stopwatch, water resistance, etc. But I find it useful for those reasons.