Elliot Brown Beachmaster Ghost Quartz quartz The Marathon GPM uses a

The Marathon GPM uses a Japanese made 24 Jewel NH35 self-winding mechanical movement and can be wound both by manually winding the crownoth by manually winding the crown or by use of the automatic self-winding rotor (transferred energy caused by the movement of the wrist)

they just are

At the forefront of its field

it’s a piece of history

Elliot Brown Beachmaster Ghost Quartz quartz The Marathon GPM uses aThe Beachmaster Ghost Quartz is Elliot Brown's apex mission timing watch. 4 years in the making and so original its design and functionality was granted a patent. Initially imagined in response to a request at a Royal Marines event then refined into the most capable watch they have ever put their name to. As a nod to its inception via the Royal Marines, it was christened Beachmaster: the Beachmaster is the military officer in charge of the