Details
A similar chronometer
the silvered dial signed and numbered Thomas Mercer 25684, Arabic hour numerals, with original Mercer Rate Certificate and Guarantee dated 18th April 1966 -- 7¼in.(18.5cm.) square
the silvered dial signed and numbered Thomas Mercer 25684, Arabic hour numerals, with original Mercer Rate Certificate and Guarantee dated 18th April 1966 -- 7¼in.(18.5cm.) square