Download The Watchmakers App for free to get the full experience!

The Watchmakers App is available for Apple iPhone and iPad running iOS 17.4 or newer or a Mac with Apple M1 chip or later and macOS 14.4 or newer.

Calibers produced by Otto Maire (Switzerland)

The brothers Otto and Fritz Maire, of Ponts de Martel, started their factory making pocket watches in the Swiss town of Lengnau (Longeau) in December 1903. Maire Fréres became Maire Fréres & Cie in 1907, taking over Gottlieb Beck's factory near the railway station.