Accusplit Watches
A variety of precise and affordable stopwatches.

Big Clock
A freeware program allowing you to use your PalmPilot as a stopwatch.

Fastime Stopwatches
A variety of stopwatches at reasonable prices.

Maric Programmable Pace Clock
Great for use as an "assistant coach" for interval training; short signal sounds after each interval. Also doubles as a game timer for a variety of events.

Nelson-Kellerman Watches
The Interval 1000 stores up to 1,000 splits and stroke rates, without changing modes.

Omega PowerTime
A handheld printer/timer with quick set-up and easy operation.

Robic Watches
The rectangular ones, features ranging from from basic on/off to a 450 split memory model.

Seiko Watches
A variety off high end models, including the 300 memory/printer combination.

Ultrak Watches
A good selection of reasonably priced watches, including a model that stores and prints up to 500 splits.