Which is better for swimming?

Both are rated to 100 meters, so either handles pool laps and snorkeling. The Classic 100's larger display and INDIGLO light make it easier to read mid-swim and in low light.

Which has better lap tracking?

The Classic 30. It has a 100-hour chronograph with 30-lap memory, while the Classic 100 lists a stopwatch and interval timer without a stated lap count.

Is the Classic 100 too big for a small wrist?

At 44mm it is a full-size watch, and one reviewer found the face too big. If you prefer a smaller case, the 38mm Classic 30 is the safer fit.

Does the Classic 30 have a backlight?

No INDIGLO backlight is listed for the Classic 30. The Classic 100 has INDIGLO, which is a real advantage for early or dark training sessions.

The Classic 30 lists a 6-year battery life; the Classic 100 does not state one. Buyers of the Classic 100 report wearing theirs for decades, so both are durable resin watches.

Is the Classic 100 worth the extra?

The Classic 100 is listed at $59.95 at Timex as of November 3, and no price is given for the Classic 30. Compare the live prices on Deal.ai; the Classic 100 earns its cost if you want the bigger display and backlight.

Ironman Classic 100 Full-Size Resin Strap Watch vs Timex Men's Ironman Triathlon Classic 30 38mm Watch

Buy the Classic 100 if you want a big, easy-to-read display for swimming, running and everyday wear. Buy the Classic 30 if you have a smaller wrist or want a lighter watch with a 30-lap chronograph memory. The Classic 100 is listed at $59.95 at Timex as of November 3; the Classic 30 has no price given in the data provided, so check its current price on Deal.ai before deciding.

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