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Reima Koivukoski is a watchmaker based in Southern Finland in his hometown of Espoo.  After attending the Finnish school watchmaking, he spent time in Austria working for Habring2 in micro machining. He then moved to Germany a few years to work in after sales repair and restoration. Lastly, he returned back to Espoo to start KronowerK where his focus is on watch manufacturing, restoration, servicing, prototyping, and small batch precision manufacturing.

Our Value

Putting My Clients First, providing elegant handmade mechanical watches for clients wrists worldwide.


Reima Koivukoski

Enamel stainless steel wristwatch with enamel dial

Enamel wristwatch


Enamel dial that is hand fabricated in our Annankatu atelier in Helsinki. Each dial is unique due the fabrication process.

Kronowerk Helsinki chronograph wristwatch, stainless steel watch

Helsinki Chronograph wristwatch

Mechanical Chronograph is a beautiful stainless steel wristwatch for everyday life.

Mechanical timeonly stainless steel wristwatch made by watchmaker Reima Koivukoski

Mark II Copper wristwatch


Mechanical Mark II Copper TimeOnly is a wristwatch to whom appreciating and valuing classical look and feeling.

Kronowerk atelier in Helsinki where KronowerK wristwatches are made.


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