Seiko Watches Value Serial Numbers
The Japanese-made Seiko watches have become synonymous with detail-oriented craftmanship and durability. The sleek look and attention to detail have made these watches a favorite since 1881 when the company began as the brainchild of master watchmaker K. Hattori. With such a rich history, it is no wonder that the exact production year of many of the watches is difficult to determine.
Figure out the decade you purchased your watch, or when you think your particular watch group was manufactured. 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 first digit of the serial number represents the year within the decade (for example, if your watch was made in 1995, the serial number would begin with a 5). The second digit represents the month. The numbers 1-9 stand for the months January-September, with O for October, N for November and D for December.
- Seiko Watches - How to date your watch by the serial number. The first number represents the year and the second number (or letter) represents the month (1-9 for Jan.-Sept. And O,N and D for October, November and December).For example if the serial number was 864825 and you knew the watch was made sometime in the 1970's it would indicate it.
- Seiko Watches - How to date your watch by the serial number. The first number represents the year and the second number (or letter) represents the month (1-9 for Jan.-Sept. And O,N and D for October, November and December).For example if the serial number was 864825 and you knew the watch was made sometime in the 1970's it would indicate it.
- The model number – 63-1019 – is typical of late 1960s / early 1970s watches, and the serial number – 9087000 – gives a production date of August 1969. The hand wound movement runs at 18,000 beats per hour which was the standard rate for many years for this grade of 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.
- Seiko watches use a 6 or 7 digit serial number stamped on the caseback. This serial number contains digits indicating the date. The first digit translates to the year and the second shows the month.
Seiko Watch Model Numbers
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Examine the date and time plate on the watch if you are looking to date one in the Seiko 5 series. Watches made prior to the 1990s will be metal, while all watches made afterward are plastic. However, you must be careful when determining this, because metal date and time plates sometimes signify a counterfeit watch.
Go to the Seiko Date Calculator website to have your watch dated for you (see Resources). They currently handle movements dating back to 1957.
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