Special Escapements & Dial Indications
Showing 73–75 of 75 results
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Hamilton Model 22 Marine Chronometer
A mid 20th Century American 56 hour Model 22 lever marine chronometer in a gimbaled mahogany box. Damascened nickelled split three quarter plate keyless movement with going barrel. Plain cock with polished steel micrometer regulator, uncut balance employing quarter timing nuts, overcoil hairspring. Club foot lever escapement. Signed silvered dial with subsidiaries for power reserve and seconds, Arabic numerals, blue steel hands. Small turned brass bowl with knurled screw bezel, Brass crown for mind and set. Brass gimbals and locking mechanism, brass ratchet key bearing the serial number. Three tier mahogany box, inside the middle tier a rectangular plate detailing instructions on how to use the watch and set the hands. The weighted brass screw base engraved “MTD Watch – Bureau of Ship – US Navy – N5709-1942”. The serial number repeated on the bowl and bezel.
Circa 1942£1,200.00 Read more -
Bezel Wound Marine Chronometer
An unusual mid 20th Century bezel wound Swiss lever two day marine chronometer in a brass bound mahogany box. Spotted gilt three quarter plate keyless movement with large going barrel. Unusual construction with a substantial steel winding wheel attached to the centre of the bowl housing the movement. This bowl is free to rotate around the movement aided by five sprung ball bearings at its edge. Subsidiary platform for the escapement, plain cock with polished steel regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement, escape and lever pivots with endstones. Signed silvered brass dial, subsidiaries for seconds and power reserve indication. Large Arabic numerals for the hours one to twelve and small numerals in the minute ring for thirteen to twenty four, blue steel hands. Plain brass bezel which is turned to wind the clock. This bezel is raised and turned to adjust the hands. Brass gimbals and locking mechanism. Two tier brass bound mahogany box with shallow top lid.
Circa 1960£1,750.00 Add to cart -
Set of Timing Chronographs
A set of three centre seconds flyback chronograph timers on a dashboard mount. The three movements of broadly similar construction with nickle plates, plain steel balances with spiral hairsprings and shockproof jewelling. The centre chronograph with a club foot lever escapement. The others with pin pallet. All function in the same way. Depressing the winding crown either starts or stops the watch. Depressing the button at 11 o’clock returns the hands to zero. The centre chronograph’s black hand rotates once a minute, the dial being marked in one hundredths of a minute. The smaller red hand with red Arabic numerals records for sixty minutes. The right hand chronograph is conventionally marked with a subsidiary for thirty minute record. The left hand chronograph’s hand rotates twice every minute. The dial is marked in black Arabic numerals up to thirty seconds and in red of thirty two to sixty seconds. Chromed metal cases with flat grains backs, black plastic crowns and return buttons. Three strong retaining springs are mounted on a substantial chromed plate with screw holes at the corners.
Circa 1995£975.00 Add to cart