12/24 hour Watches and wrist devices

The Bottom Line: With its built-in heart-rate monitor, Suunto's N6HR is the sportiest MSN Direct watch available, but it isn't cheap.

Specs: Heart rate monitor, Sport, 12/24 hour, Multiple time zones, 100 m, MSN Direct service, Smart Personal Objects Technology (SPOT), Changeable watch faces

The Bottom Line: This wrist-top personal trainer will win you over with its wealth of features and excellent software, but be prepared to spend the big bucks.

Specs: Watch (combo device), Technical, 12/24 hour, 100 m

The Bottom Line: We had high hopes for Timex's GPS training device, but they were dashed by a really bad design.

Specs: Heart rate monitor, Sport, Ironman, 12/24 hour, 50 m

Specs: Watch, Sport, 12/24 hour

The Bottom Line: An elegant design, accurate performance data, and helpful training software make the X6-HR one of our top choices for outdoor athletics.

Specs: Watch (combo device), Sport, 12/24 hour, Multiple time zones, 100 m

The Bottom Line: If you spend a lot of time in your hiking boots, the Axis is for you.

Specs: Watch, Outdoor, 12/24 hour, 30 m

The Bottom Line: We wouldn't rely too heavily on the G-Shock's flakey atomic-clock-signal reception, but otherwise, it makes for a fine rugged watch.

Specs: Watch, Sport, G-Shock, World time zones, 12/24 hour, 200 m

The Bottom Line: The Triax Elite was designed for serious runners, and it shows. It's a great buy if you're training for a marathon.

Specs: Watch, Sport, 12/24 hour, 50 m

Specs: Watch, Outdoor, 12/24 hour, 200 m

Specs: Digital compass, Outdoor, 12/24 hour, 10 m