Unfortunately you are not able to as it only shows a count. You can however use this app https://marketplace.atlassian.com/apps/6306/watcher-custom-field-for-jira?hosting=server&tab=overview to create a custom field that will sync with your watchers field and it will show names in your filter searches.
Hey there Cloud Community members! We’re excited to give you the first glimpse of the new home for business teams on Jira — Jira Work Management. Jira Work Management is the next generation of J...
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