Does it need a battery change?

No. Tough Solar charges from any light source, so there is no routine battery swap. Keep it in light regularly and it stays charged.

How is it different from the standard GA-2100?

It adds Tough Solar charging and Bluetooth phone linking. The case shape and analog-digital layout are the same.

Yes, through the Casio Watches app over Bluetooth. It also handles time zones when you travel.

Yes. It is rated to 200 m water resistance, so swimming and snorkeling are fine. Avoid pressing buttons underwater.

The white resin can pick up dirt and scuffs. It cleans up with mild soap and water, but it will not stay spotless with heavy use.

Yes, there is a backlight for the digital window and hands. The small digital text is still hard to read at a glance.

At Captain Bling Jewelers, for $150.00, 15% under what the other stores charge, as of our latest check.

Rated 5 out of 5 from 129 ratings.

10 stores we checked sell it, including NY Watch Store, Silver Factory, Captain Bling Jewelers, Monawatch, Walmart.

$150.00at Captain Bling JewelersChecked 1 h ago

15% under what the other stores charge

Compared across 10 stores. Prices are checked against each store and labelled with when.