 | A.Montandon 16'''
Features key wind and set sub second
Data 16''', Dn= 36.1mm 15 jewels f = 18000 A/h
| Remarks bimetalic screw balance, flat hairspring long lever with hidden pallets and counterweight
Example, year: signature; shock device ca. 1850: shield with star, J.G. (dial/case: A. Montandon Locle)
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