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The British Horological Institute Limited

Workshop Hints
Hermle Clock Dating

Hermle (and FHS) clocks have a dating system marked on the back plate of the clock. On the back plate, in the lower right hand corner, is the following information:-

Year of Manufacture
Company Name or Logo
Model Number
Pendulum Length
Beats Per minute

Prior to 1988, the year was indicated by two digits, i.e. 79 indicated that the clock movement was produced in 1979. From 1988, the year of manufacture was indicated by a letter. The following chart shows the sequence used, and from it future letters can be easily worked out

Letter used Year
A 1988
B 1989
C 1990
D 1991
E 1992
F 1993
G 1994
H 1995
I 1996
J 1997
K 1998

 

Index of Hints and Tips

 

 

 

 

 

 

 

 

 

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