Rare German automatic watch with regulator dial Circa 1810

Silver open faced watch by Etienne Richard
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A technically interesting German gentleman’s very fine, extremely rare automatic pocket watch with regulator dial and oscillating weight winding, circa 1810. Frosted gilt full plate movement with cylinder escapement and winding by oscillating weight. Polished silver case.
White eccentric enamel dial with hour indication with Arabic numerals, centre seconds, regulator scale with blued steel indicator, blued steel Breguet hands.
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Diameter: 58 mm
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Weight: 124 g
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Signed: Etienne Richard Berlin
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Etienne Richard, Berlin Germany circa 1812.
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Extremely rare, also because it is from Germany.
A short not disturbing hairline at the top of the dial. Overall in excellent condition.
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Reference 045000