left: Pocket chronometer, brass dial and movement inscribed invenit et fecit; by Thomas Earnshaw (1749-1829); London, England, early 19th century; dia. 2” (5.08 cm.). right:… Read More »Pocket chronometer, brass dial and movement
Early pocket chronometer with silver case by the firm of Barraud of Cornhill; For extra legibility there are two subsidiary dials for hours and seconds… Read More »Early pocket chronometer with silver case
Pocket chronometer movement, silver case, hall-marked 1825, by Earnshaw; London, England, 1825; dia. 2” (5.08cm.). This is another example by Earnshaw, made near the end… Read More »Pocket chronometer movement, silver case, hall-marked 1825, by Earnshaw
Early clocks were powered by heavy weights attached to long chains. Every day the weight was returned to the top of the clock, and throughout… Read More »What is a “Fusee”?
Vintage Patek Philippe Open Face Pocket Watch Ref. 738 A large stainless steel and 18k ping gold openface keyless lever watch, ref. 738. Three body… Read More »Vintage Patek Philippe Open Face Pocket Watch Ref. 738
Omega caliber 161 (38.5-T1) is Swiss movement from 1950’s. Functions: hours, minutes and sub seconds. Manual-winding movement with 15 jewels. f = 18000 A/h Power reserve: N/A… Read More »Omega caliber 161 (38.5-T1) movement – specifications and photo
Elgin A-8, A-11, A-13 and AN-5740 Navigation Watches Navigation Watches, Types A-8, A-11, A-13, and AN-5740 are manufactured by Elgin National Watch Company, Elgin, Illinois, and… Read More »Elgin A-8, A-11, A-13 and AN-5740 Navigation Watches
A Monsieur Texier, Lieutenant de Vaisseau Chronometer Pocket Watch 1824 Chronometer No. 4084, sold on 15 March 1824, for the sum of 1500 Francs. Silver… Read More »A Monsieur Texier, Lieutenant de Vaisseau Chronometer Pocket Watch 1824
124s Gold Lepine, No. 2010, with minute repeater, perpetual calendar, leap years and moon phases; chronograph with centre 60-minute counter, 1882. The watch was originally… Read More »Audemars Piguet Moon Phase Chronograph Pocket Watch
Valjoux caliber 5 is Swiss movement from 1920’s. Functions: hour, minute and sub second, 60 seconds and 30 minutes indications, pillar wheel. This movement is used on pocket watches,… Read More »Valjoux caliber 5 movement – specifications and photo
Zenith caliber 18.5 is Swiss movement from 1910’s. Functions: hour, minute and sub second. This movement is used on pocket watches, open face. Manual-winding movement with 15 jewels… Read More »Zenith caliber 18.5 movement – specifications and photo
Omega caliber 960 is Swiss movement from 1970’s. Functions: hour, minute and sub second. This movement is used on pocket watches, open face. Manual-winding movement with 17 jewels. f… Read More »Omega caliber 960 movement – specifications and photo