Just to add watches were extremely important for sailing. Maybe as important as a compass. You need an accurate clock to calculate longitude at sea. Here’s a bo

Just to add watches were extremely important for sailing. Maybe as important as a compass. You need an accurate clock to calculate longitude at sea. Here’s a book I’ve been meaning to read about an eccentric guy who solved the problem[1]. [1]https://en.m.wikipedia.org/wiki/Longitude_(book) https://en.m.wikipedia.org/wiki/Longitude_(book)