The Seiko serial number decoder Find the manufacture date of any Seiko watch Seiko watches have a 6 or 7 character serial number on their casebacks. The second character can be a letter but the rest are all numbers. You can use the Seiko serial number in conjunction with the movement number to calculate the year of manufacture. The month and last digit of the Seiko'a date of manufacture is calculated using the serial number and then narrowed down to a decade using my database of Seiko movement manufacture dates. You will be given an link to check the value, useful links such as manuals, etc and for quartz models the battery information. If more than one date is returned then either I lack data for that Seiko movement or it was made for over a decade. For details of my Seiko movements list click here.
Sep 28, Unfortunately, this information is vital to dating your Seiko as the serial number does not provide any more clues. The "movement" of the watch will help you identify the decade it was made and should be found on the case the watch came in. Refer to the Seiko Movement Table for a list of movements (see Resources). Look at the serial number. The good thing is that you can use the serial number of your Seiko to date it in order to know when it was produced. The format for dating it via the serial number is as follows: The first digit in the number will indicate the last digit of the year the watch as manufactured. SEIKO - Serial Number to Manufacture Date Decoder. Simple and quick, this page allows you to determine the exact date of manufacture of a Seiko watch basing on the caliber and serial number printed on the bottom plate or in the edge. Probably this is the worst most detailed database of all Seiko production since over the web, including movement revisions (ex: 7S26B or C) and various .
In the example images the serial number is highlighted in blue. Every watch has a unique combination of reference model number plus serial number.
Seiko dating serial number
The first digit of the serial number tells you the last digit of the year the watch was made. Looking at the example images: for example 1 the year ends in 0 for example 2 the year ends in 2 for example 3 the year ends in 4 You may notice this does not tell us which decade.
Seiko watches have a 6 or 7 character serial number on their casebacks. The second character can be a letter but the rest are all numbers. You can use the Seiko serial number in conjunction with the movement number to calculate the year of manufacture. The month and last digit of the Seiko'a date of manufacture is calculated using the serial number and then narrowed down to a decade using my database of . The easiest way to find the date of a Seiko serial number is to use the automated Seiko serial number decoder but this page explains how to do it manually. Seiko watches use a 6 or 7 digit serial number stamped on the caseback. This serial number contains digits indicating the date.
That is why we also ask for the model number. For many of Seiko's movements we know the first year they were produced and for most movements they were produced for less than 10 years. This helps us narrow down the decade.
Using this additional information we can ate our three examples: the was first made in so 1 is from or the was made from to so 2 is from the 7S36 was first made in so 3 is from or The second digit of the serial number is also useful.
It tells you the month the watch was manufactured.
All Seiko Watch Numbers Decoded case movement number Year manufactured code codes
To get the best chance of getting only one date returned it is best to enter your Seiko movement in the 2nd box. The boxes are not case sensitive.
The movement can contain the letter S, which can look very similar to a 5. Seiko Serial Number 6 or 7 chrs :.
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