A duplex pocket watch movement and a lever movement, Murray & Strachan, Royal Exchange, London, 609, circa 1820/James Mc.Cabe, Royal Exchange, London, No.6188, circa 1820, the first gilt fusee duplex movement, signed and nubered, bi-metallic balance with segmental heat compensation weights, diamond endstone, signed and numbered gilt dust cover, diameter 47mm; the second with numbered white enamel dial, Roman numerals, subsidiary seconds, signed and numbered gilt fusee movement with plain three armed balance and diamond endstone, numbered gilt dust cover, diameter 46mm.

细节

A duplex pocket watch movement and a lever movement, Murray & Strachan, Royal Exchange, London, 609, circa 1820/James Mc.Cabe, Royal Exchange, London, No.6188, circa 1820, the first gilt fusee duplex movement, signed and nubered, bi-metallic balance with segmental heat compensation weights, diamond endstone, signed and numbered gilt dust cover, diameter 47mm; the second with numbered white enamel dial, Roman numerals, subsidiary seconds, signed and numbered gilt fusee movement with plain three armed balance and diamond endstone, numbered gilt dust cover, diameter 46mm.
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