What does Timer Clock look like on Noto Emoji?

On Noto Emoji it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did Noto Emoji add Timer Clock?

Noto Emoji first drew Timer Clock in 14.0, released April 29, 2022.

Google Fonts has shipped 6 versions of Timer Clock. Each is dated, so you can see when the design changed.

Noto Emoji 15.0

Noto Emoji shipped a new design for Timer Clock in 15.0, released September 12, 2022. The previous design is shown beside it.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Timer Clock look like on Noto Emoji?: On Noto Emoji it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did Noto Emoji add Timer Clock?: Noto Emoji first drew Timer Clock in 14.0, released April 29, 2022.
How many times has Noto Emoji redrawn Timer Clock?: Google Fonts has shipped 6 versions of Timer Clock. Each is dated, so you can see when the design changed.