ahead of our times since 1858

When Ernest Shackleton and Francis Chichester embarked on their feats of navigation, they relied on our chronometers to determine longitude. When adorning the luxurious interiors of HMY Britannia and Winston Churchill’s aircraft, Thomas Mercer was the choice to go. Today, we reinvent our dashing heritage through sophisticated astronomical movements that pay homage to the indissoluble link between the sea and the stars.And today, the story continues.