What does Timer 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?

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

Samsung Electronics has shipped 24 versions of Timer. 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 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?: Samsung first drew Timer in Touchwiz 6.0, released 7 marzo 2016.
How many times has Samsung redrawn Timer?: Samsung Electronics has shipped 24 versions of Timer. Each is dated, so you can see when the design changed.