IS Collective, the Swiss brand known for its innovative watch care solutions, is proud to announce the launch of its latest product: the BronzePen. Specifically developed for bronze timepieces, the BronzePen is designed to safely and effectively remove patina, restoring each watch to its natural brilliance while preserving the unique character of bronze.

The BronzePen continues AIS Collective’s mission to create Swiss-made and easy-to-use tools for watch enthusiasts who value both precision and care. Featuring a soft precision brush integrated with a specially formulated cleaning solution, it allows users to reach even the most delicate areas of a bronze watch, case or bracelet.

“With the BronzePen, we wanted to give bronze watch owners a dedicated solution that respects the material’s nature while offering full control over the cleaning process. Patina tells the story of a bronze watch, and the BronzePen allows owners to decide how much of that story they want to keep.” Said Kenj, founder of AIS Collective

Product Description - BronzePen: The BronzePen is a Swiss-made cleaning tool designed exclusively for bronze watches. With its integrated soft-brush applicator and specialized cleaning solution, it gently removes patina while allowing owners to control the finish — from light refresh to complete restoration. Each BronzePen comes in a compact travel-size box together with a ChronoCloth for the perfect final polish.

About AIS Collective: Founded in 2019 by Anna Rothkopf (35), Ivan Maier (38), and Said Kenj (31), AIS Collective emerged with the mission to deliver safe, dependable, and efficient watch-care solutions for both everyday use and travel. Their flagship ChronoPen, a Swiss-Made innovation combining an extra-soft brush and bespoke cleaning solution in one instrument, was developed over 18 months alongside Swiss industry experts. This breakthrough has since propelled over 100,000 units sold globally—through their online shop and esteemed retailers like Hodinkee (USA), Ahmed Seddiqi & Sons (UAE), and Christ Switzerland.

As a young and collaborative brand, AIS Collective consistently partners with designers and creative experts to elevate watch care. Recently AIS Collective partnered with renowned designer Maximilian Maertens, known for his work with MB&F and L’Épée 1839, and exemplifies this design-forward ethos to develop the ChronoSphere—a spherical watch storage and display object. Today, the brand offers a full suite of premium watch and jewellery care tools — ChronoPen, ChronoLeatherPen, GemPen, BronzePen, ChronoCloth, the AIS Watch Care Kit, ChronoSphere, and AIS Collective Pouches—crafted to clean, restore, protect, and carry your watch, straps and jewellery with precision and style.