I wear a Marathon SAR most of the time; it's the issue watch for Canadian Forces, NASA, and IDF divers. It's sort of like a Rolex Submariner in the same way that a HUMMVEE is like a Range Rover:
http://www.broadarrow.net/SAR.htmIt keeps fantastic time (well within COSC standards), and is big, ugly, has great night lume and is much more indestructible than I am. You can get models with quartz and/or tritium gas-tube illumination now. I love mine with a depraved unholy passion.
For playing outside I have a Casio PRG-70: solar powered, a slew of timekeeping functions, EL backlighting, plus compass, altimeter, barometer and thermometer (which is sort of useless unless you take the watch off and let it cool to ambient temperature:
http://www.amazon.com/gp/product/1850813491/103-6629599-0467859?v=glance&n=3367581