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HOW TO

How To Use the ChronoPen for watch cleaning

The Swiss made ChronoPen is designed to be simple in use but thorough in watch cleaning.


Please remember to check your watch is water resistant and the crown is wound down fully. Further, remove leather straps.


Metal bracelets and rubber straps are safe to be cleaned with the ChronoPen.

Here are the simple steps

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01. Take off the lid, hold the ChronoPen with the brush facing upwards and pump the button a few times, until cleaning liquid comes out the brush tip. 

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02. Start moving our specially designed soft brush in a circular motion across all parts of your watch.

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03. Rinse the watch and the brush of the ChronoPen under clean running water.

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04. Dry the watch with a clean and dry cotton towel. 

How To Use the ChronoLeatherPen for leather strap care

The Swiss made ChronoLeatherPen is designed to be simple in use but thorough solution to gently clean, condition and protect your smooth leather straps.

We recommend testing the ChronoLeatherPen first on a small area inside the strap. In the beginning the strap may turn slightly darker due to moisture but after a few minutes drying, it should return to the original colour but refreshed.

Here are the simple steps.

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01. Take off the lid, hold the ChronoLeatherPen with the silicone brush facing upwards and pump the button a few times until the solution comes out of the brush.

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02. Start massaging the solution  onto and into the leather strap in a circular motion with the silicon brush.

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03. Let the cream dry into the strap for 10-15 minutes.

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04. Wipe all excessive liquid off the leather strap with the dry microfiber towel included in the box.

More Watch Care

Frequently Asked Questions

Is it safe for watch cleaning?

Yes, we developed our Swiss Made ChronoPen with safe watch cleaning in mind. Our product does not contain any aggressive chemicals or abrasives to reduce our ecological footprint, and to make sure the solution is effective yet gentle on your timepiece.

Please also be reminded that your watch needs to be fully watertight before cleaning it with the ChronoPen.

Which materials can I use the ChronoPen on?

The AIS Collective ChronoPen is safe and effective to clean all water resistant watches, including stainless steel, yellow, rose and white gold, platinum, bronze, carbon fibre, titanium, ceramic as well as sapphire crystal, rubber straps and gemstones.

Which parts of the watch can I use the ChronoPen on?

The AIS Collective ChronoPen is safe and effective to clean all water resistant watches, including stainless steel, yellow, rose and white gold, platinum, bronze, carbon fibre, titanium, ceramic as well as sapphire crystal, rubber straps and gemstones.

If your watch strap is made of leather or any other delicate material, please remove it for cleaning.

For further information how to use the ChronoPen, please visit our How to use page.

Is it safe to use the ChronoPen on leather?

No, we recommend to remove straps made from leather or other delicate materials before using the ChronoPen for cleaning and not to clean them with the ChronoPen.

Can I use the ChronoLeatherPen on light watch leather straps?

Yes, you can. We recommend testing the ChronoLeatherPen first on a small area inside the strap. In the beginning the strap may turn slightly darker due to moisture but after a few minutes drying, it should return to the original colour, but refreshed.

What sort of watch leather straps can I use the ChronoLeatherPen?

ChronoLeatherPen is ideal for all types of smooth leather.