400 Day Clock Suspension Unit 30 can be identified in the Horolovar 400- Day Repair Guide and is the same as Unit 31. 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 Henn Standard 51, Henn Standard 52.
A
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B
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Total Length
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118 mm
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5.5 mm
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132 mm
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Note: Please see enlarge image for measurement explanation.