Regula Date Codes
How to date Regula clock movements
The code is a single alphabetical letter stamped on the back movement plate. A=1970 or 1990; B=1971 or 1991, etc. The cycle repeats every 20 years. There is NO G, I, O, Q, Y or Z
| Production Code | Production year(s) |
|---|---|
| A | 1970/1990/2010/2030 |
| B | 1971/1991/2011/2031 |
| C | 1972/1992/2012/2032 |
| D | 1973/1993/2013/2033 |
| E | 1974/1994/2014/2034 |
| F | 1975/1995/2015/2035 |
| H | 1976/1996/2016/2036 |
| J | 1977/1997/2017/2037 |
| K | 1978/1998/2018/2038 |
| L | 1979/1999/2019/2039 |
| M | 1980/2000/2020/2040 |
| N | 1981/2001/2021/2041 |
| P | 1982/2002/2022/2042 |
| R | 1983/2003/2023/2043 |
| S | 1984/2004/2024/2044 |
| T | 1985/2005/2025/2045 |
| U | 1986/2006/2026/2046 |
| V | 1987/2007/2027/2047 |
| W | 1988/2008/2028/2048 |
| X | 1989/2009/2029/2049 |
Near the center of each movement, there is a LETTER stamped into the movement. This LETTER indicates the production year. The letter repeats every 20 years Example: Movements produced in 1990 will have the same letter "A" as movements produced in 1970, 2010, and 2030.
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I have a regula clock movement made in Germany has 20 stamped left of Center and G.M. 1705294 stamped on the right of Center
Obsolete, no longer made
James Stoudenmire
30yr Clockmaker
Author of Clockworks.com