Rare Swiss iron 8 day lever with visible balance Circa 1900

Lever with 8 day movement, visible balance and center seconds
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A rare Swiss unfinished iron pocket watch with 8 day movement, visible balance and center seconds, circa 1900. Anchor mechanism, large bimetallic compensation balance, gold screws. Highly decorative white enamel dial, Roman numerals, gold minute markers, blued steel pear hands, center seconds, decentralized display of hours and minutes and visible balance. Oversized, plain case, case, maker’s mark ‘Horse’, with iron warranty, probably A.
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Diameter: 79 mm
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Weight: 336 g
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Signed: No name