English 18K gold chronometer with power reserve Circa 1865

Gold pocket chronometer by Charles Frodsham
–
A fine English 18 carat gold open faced keyless pocket chronometer with power reserve, circa 1865-1866. Gilt finished half plate chain fusée movement, spring detent escapement, large bimetallic compensation balance, freesprung blued steel helical hairspring, diamond endstone. Gold cuvette engraved Presented to Captain William Watts by the Underwriters of the steamer ‘Lady Wodehouse’ as a mark of their appreciation for the seamanship displayed by him on 24th & 25th January 1875. White enamel dial with Roman numerals, two subsidiary dials for 24 hour power reserve and constant seconds. Case with ribbed band, engine turned to the back. Case and cuvette stamped with casemaker’s initials TH and London date letter for 1865-66, dial and movement signed and numbered.
–
Diameter: 48 mm
–
Signed: Chas. Frodsham No. 03210 AD.Fmsz 84 Strand London