Is the Casio WS-1600H-1AV good for swimming?

Yes. It is rated 10 ATM (100 m), which covers swimming, showering and snorkeling. Avoid pressing the buttons underwater.

Does it have a countdown timer and stopwatch?

Yes. It has both a stopwatch and a countdown timer, plus alarms, world time and a date display.

It weighs about 1.4 oz with a resin case and strap, so it is light on the wrist. Casio lists full case dimensions on its spec sheet.

Yes. It has a display light, but you press a button to turn it on; there is no auto light.

The watch with its resin strap and a manual. The battery comes installed.

At Walmart, for $31.26, as of our latest check.

2 stores we checked sell it, including Walmart, CASIO.

$31.26at WalmartChecked Nov 8

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

It checks today's price at every store, compares the alternatives and answers in about a minute.