Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Chronometer watch in silver case by John Arnold and Son
hallmarked 1788
Chronometer in Gold Case by Thomas Earnsham, 1795-1810
1795-1810
Marine timekeeper with constant force escapement by Josiah Emery
1792
Chronometer watch by Thomas Earnshaw No.498
Two day marine chronometer by Morris Tobias
circa 1830
Electronic f300 Hz Seamaster Chronometer wrist watch
1972
Marine timekeeper with constant force escapement
1795
Marine Chronometer by Mercer, 1860-1930
1850-1880
Crystal Controlled Marine Chronometer by Patek Philippe, 1965-1984
1965-1984
Fotoski Auto Declancheur Chronometreur
1925-1935
Chronometer in Silver Case by Thomas Earnshaw, 1800-1834
1800-1834
Chronometer movement in brass cage
1925
Omega Marine Chronometer, 1950-1976
1950-1976
Survey chronometer type SC, by Mercer
Chronometer Watch in Silver Case, 1820-1833
hallmarked 1833; 1820-1833
Chronometer Watch in Silver Case, By Arnold and Son, 1850-1872
1850-1872
Ferguson solar chronometer and astronomical compass
1912
Chronometer with case and accessories
circa 1800
Chronometer escapement
1810
Chronometer
Chronometer in Silver Case by Thomas Earnshaw, no 837, 1810-1825
hallmarked 1825
Chronometer
Chronometer escapement
Chronometer escapement
Field chronometer, mark IV, no 1621. memorabilia.
Swiss movement (incomplete and broken) with chronometer escapement
Chronometer watch movement
Chronometer escapement
1790
Accessories for two-day chronometer by John Arnold and Son
Cage for chronometer movement
Chronometer movement in brass cage
1900-1910
Omega Seamaster Professional Chronometer self-winding mechanical wristwatch with stainless steel case and bracelet
1998
Marine chronometer with Airy's bar
1810-1900
Dial for half-quarter repeating chronometer watch movement
1938
Marine Chronometer by Longines, 1976
1976
Chronometer: 'Arnold 488', in mahogany carrying case
1810-1880
Case for chronometer movement
1925
Steel plate from working model of marine chronometer escapement
Ferguson's Universal Solar Chronometer, 1900-1922
1900-1922
Eight-day ship's chronometer by George Margetts
1790-1808
One-day marine chronometer
1800-1820
Chronoscope, D'Arsonval's electric chronometer
Chronometer Mechanism by Thomas Earnshaw, 1750-1810
1750-1810
Chronometer Mechanism by Arnold, England, 1780-1790
1780-1790
Marine timekeeper
1796-1816
Marine timekeeper
1824
Marine timekeeper
1795