There are two ways to dispose of watches depending on whether they are usable or broken.
Usable watches
Extend the life of this item by reusing, selling, or donating
Reuse working digital watches and analog watches by:
Replacing the battery or repairing the watch strap
Giving to family and friends
Posting on online websites like Facebook Marketplace
Donate usable watches to participating charities. Contact your preferred charity to confirm what type of donations they are accepting. Some options include: