8. Bell & Ross, $5,000 This version of the French company Bell & Ross’s BR-05 GMT watch has a sky blue sun ray dial that strikes a playful note along with its grooved rubber strap.

The Joehwerr 6 Pack Braided Apple Watch Strap is, as the name suggests, a set of six Apple Watch-compatible bands available in a wide range of hues including brights, pastels, and neutrals.

Now Mr. Kojima, 48, is an independent artisan who makes them by hand: “My wish is to make the most beautiful watch straps in the world, that will be used and admired for a long time.” ...