What does Timer Clock look like on Samsung?

On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.

When did Samsung add Timer Clock?

Samsung first drew Timer Clock in Touchwiz 6.0, released March 7, 2016.

Samsung Electronics has shipped 24 versions of Timer Clock. Each is dated, so you can see when the design changed.

Samsung Experience 9.5

This is the design Samsung introduced in Experience 9.0, shipped again unchanged. It was not redrawn for this release.

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

What does Timer Clock look like on Samsung?: On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.
When did Samsung add Timer Clock?: Samsung first drew Timer Clock in Touchwiz 6.0, released March 7, 2016.
How many times has Samsung redrawn Timer Clock?: Samsung Electronics has shipped 24 versions of Timer Clock. Each is dated, so you can see when the design changed.