Hermle Movement Date Codes

How Old? Hermle Movement Date Codes

Dating a Hermle clock movement by decoding the date code stamp. This is to know when the movement was made and decide if the clock has lived its life and is time for a new one. After finding the Hermle movement date code, it can be figured out how old the clock movement is with the below chart. If the clock is over 20 years old it is time to replace it. If the clock is under 20 years old is the only time to consider fixing the movement.

Date Code System Change

Prior to using Hermle movement date codes, early movements before the year 1987 have just the stamp of the year on the back of the clock movement, 81 just means 1981. From 1987 on they used letter codes instead of numbers to represent the year made. Such as the year 1988 is only marked with the letter A instead, and 1989 is the letter B, and 1990 as the letter C etc.


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76 = 1976

77 = 1977

78 = 1978

79 = 1979

80 = 1980

81 = 1981

82 = 1982

83 = 1983

84 = 1984

85 = 1985

86 = 1986

87 = 1987

A = 1988

B = 1989

C = 1990

D = 1991

E = 1992

F = 1993

G = 1994

H = 1995

I = 1996

J = 1997

K = 1998

L = 1999

M = 2000

N = 2001

O = 2002

P = 2003

Q = 2004

R = 2005

S = 2006

T = 2007

U = 2008

V = 2009

W = 2010

X = 2011

Y = 2012

Z = 2013

AA = 2014

AB = 2015

AC = 2016

AD = 2017

AE = 2018

AF = 2019

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Updated on: 01/01/2025