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.
EARLY TIMES

1858
COMPANY ESTABLISHED IN LONDON

1874
THE ‘POWER HOUSE’ 18 PROSPECT ROAD, ST ALBANS

1870
MANUFACTURE OF POCKET CHRONOMETER WATCHES

1881
SECOND IN GREENWICH TRIALS

1885
MANUFACTURE OF TABLE REGULATORS
LEGENDARY TIMES

1900
FRANK MERCER TAKES OVER

1911
CHRONOMETER NO 8306 WINS THE GREENWICH TRIALS

1912
THE NEW FACTORY, ST ALBANS, EYWOOD ROAD

1916
ERNEST SHACKLETON’S HEROIC VOYAGE OF SURVIVAL

1922
RESTORATION OF HARRISON H1 AND H3 TIMEKEEPERS
LAND AND FLIGHT TIMES

1926
DECK WATCH

1926
SURVEY CHRONOMETER

1937
ROYAL AIR FORCE ‘MARK 1’ AIRCRAFT CLOCK

1939
TONY MERCER JOINS THE FAMILY BUSINESS

1944
CLOCK FOR SIR WINSTON CHURCHILL’S PRIVATE AIRCRAFT
SEAFARING TIMES

1945
CLOCK FOR SIR WINSTON CHURCHILL’S SUITE ON RMS QUEEN MARY

1953
WALL MARINE CLOCK

1953
TIMEKEEPERS FOR HMY BRITANNIA

1958
CENTENARY CHRONOMETER

1965
SIR FRANCIS CHICHESTER AND THE ATLANTIC CHALLENGE
LUXURIOUS TIMES

1973
BUCKINGHAMSHIRE TABLE CHRONOMETER

1975
PROSPECT TABLE CHRONOMETER

1977
QUEEN ELIZABETH’S JUBILEE MARINE CHRONOMETER

1978
MERCER CHRONOMETERS BY TONY MERCER PUBLISHED

1980
CRYSTAL TABLE CHRONOMETER
HERITAGE TIMES

1985
THE INTERNATIONAL CHRONOMETER INDEX

1985
COMPANY ARCHIVES AT THE LIVERPOOL WORLD MUSEUM

1994
CHRONOMETER MAKERS OF THE WORLD BY TONY MERCER

2003
THOMAS MERCER: HISTORY, MAINTENANCE AND REPAIR

2010
JOEL MERCER APPOINTED ADVISOR ON FAMILY HERITAGE
MODERN TIMES

2016
MONACO YACHT SHOW

2017
THOMAS MERCER MUSEUM AT PISA OROLOGERIA

2018
DOHA WATCH AND JEWELLERY EXHIBITION

2019
EXHIBITION IN HARRODS LONDON
