AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |
Back to Blog
Old Seiko Watch Models3/9/2021
If you dont know how to find these numbers on your watch please read our instructions below.Most Seikos have a retail model number that is displayed in the store but not written anywhere on the watch.
![]() They also have a reference model number that is written on the case back. This reference model number is a combination of two numbers. Each of these two numbers are four digits long and they are separated by a hyphen. In the example images the reference model number is highlighted in red. In the example images the serial number is highlighted in blue. Old Seiko Watch Models Plus Serial NumberEvery watch has a unique combination of reference model number plus serial number. The first digit of the serial number tells you the last digit of the year the watch was made. For many of Seikos movements we know the first year they were produced. Using this additional information we can update our three examples. The remaining four digits of the serial number indicate the production number for the watch. If your last for digits are 0000 then you have the first watch made for that model reference number. Returning to our examples and using the second digit from the serial number we get the following production dates. I know example 3 was not made in 2004 since I bought it new in 2014. If you were paying close attention you may have noticed we asked for the case code in the form above. What you see here is in large part thanks to this excellent Quartzimodo article. Unfortunately the Jayhawk Production Date Calculator (by John Gauch ). It does not seem to be as well known and we hope that our movement database is more complete. As with any part of WatchSleuth we encourage people to contact us with.
0 Comments
Read More
Leave a Reply. |