Credit: Hamilton Inside, the H-31 automatic chronograph movement has a power reserve of 60 hours, while Hamilton says the watch is water resistant to 10 bar (100 metres). Presented on a perforated ...

Beneath the surface, the Chrono-Matic 50 is powered by Hamilton’s H-31 automatic movement, offering a robust 60-hour power reserve. The movement is equipped with a Nivachron hairspring for enhanced ...

The Jazzmaster Performer Chrono features a 42mm stainless steel ... but shouldn't be unmanageable for most people. Inside, a Hamilton H-31 movement keeps things ticking away, with a 60-hour ...

Hamilton's new Jazzmaster Performer Auto Chrono features a black stainless steel ... The watch is driven by the H-31 calibre automatic mechanical movement, which is visible through an exhibition ...

Hamilton has unveiled the Chrono-Matic 50 Limited Edition, a bold tribute to the vibrant style and technical ingenuity of the 1970s. Limited to just 150 pieces, this striking watch celebrates ...