Details
Josh. & Jno. Brookhouse, Derby, No.3921: An 18ct. gold openface pocketchronometer
Case: Plain with engine-turned band, hallmarked London 1828
Dial: Cream enamel with Roman numerals, large subsidiary seconds and gold spade hands
Movement: Signed and numbered frosted gilt, fusee, the bi-metallic balance with segmental weights, blued steel helical spiral with end-curves, ruby end-stone, Earnshaw detent escapement, jewelled locking stone and impulse pallet
52mm.diam.
Case: Plain with engine-turned band, hallmarked London 1828
Dial: Cream enamel with Roman numerals, large subsidiary seconds and gold spade hands
Movement: Signed and numbered frosted gilt, fusee, the bi-metallic balance with segmental weights, blued steel helical spiral with end-curves, ruby end-stone, Earnshaw detent escapement, jewelled locking stone and impulse pallet
52mm.diam.