M1 Current Collection This method was in principal

This method was in principal the same as that used by sailors to calculate their position ever since the development of the marine chronometer by John Harrison in the mid eighteenth century

which they'd developed 10 years prior and perhaps speculate that they wanted to share it with a wider audience (the mark 11 was solely produced on contract for the RAF and never available to the general public)

The watch is in fair condition for it's age: it's clearly had a life and the dial has developed a nicely aged patina

Movement - IWC cal 64

Still running late

M1 Current Collection This method was in principalTake a trip down memory lane with the eye catching M1 watch. Created in collaboration with British design icon Margaret Calvert, M1 is a playful twist on the serious business of road safety and signage. Best known for her work with Jock Kinneir in the late 1950s, Margaret has been involved in a wide variety of projects, including the motorway signs which are still in use throughout Britain today. The hands of the watch are inspired by the white