English watch with full calendar and centre seconds Circa 1800

Gold pocket watch with regulator dial by Howard
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An English spindle (verge) pocket watch with regulator dial, full calendar, moon phase and central seconds, circa 1800.
Full plate movement, chain/fusee, three-armed steel balance, verge escapement. Enamel dial decorated with two delicate, blue floral tendrils and five displays: a decentralized hour number ring with Roman numerals at 12 o’clock, a number ring for the date at 3 o’clock, a number ring for the month display at 5 o’clock, the different phases of the moon at 7 o’clock and the weekday display at 9 o’clock. Polished plain 18K rose gold case. Movement signed.
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Diameter: 58 mm
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Weight: 94 g
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Signed: Howard
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Presumably Edward Howard ordered the present calendar watch in Switzerland. Howard worked in Kirby Street in London and is recorded from 1780 to 1804.