400 Day Clock Suspension Unit 12A can be identified in the Horolovar 400- Day Repair Guide and is the same as Unit 12B and 12C. To decipher what type of suspension unit is needed you must first identify the back plate of a 400 day clock using the Horolovar 400- Day Repair Guide. To be used for Kern Miniature 54, Kern Miniature 56, Kern Miniature 57.
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A
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B
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Total Length
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73 mm
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2mm
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88 mm
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Note: Please see enlarge image for measurement explanation.