Dating older seiko 5 serial numbers sped dating london
Returning to our examples and using the second digit from the serial number we get the following production dates: If you were paying close attention you may have noticed we asked for the case code in the form above but we did not mention using it when calculating the date.
You can leave that field blank and still find the date for your watch however if you complete the field we will provide a listing of watches from our Seiko catalogs that match the movement and case code.
Enter the serial number and movement from your seiko watch in the boxes below.
The date of manufacture will then be calculated using the first 2 digits of the serial number and a database of movement manufacture dates.
You will also be given a link to check its value and if available useful links such as to manuals etc (I am currently adding these to the database).
Rolex Omega Cartier Tag Heuer IWC Breitling Rotary Longines Piaget Other Makes Diamond Set Under 100 Rolex Omega Cartier Tag Heuer Rotary Longines Other Makes Diamond Set Under 100 Gold Pocket Silver Pocket Clocks Diamond Rings Rings Over 100 Rings Under 100Seikos have the date of manufacture written into the serial number which is engraved on the back of the watch also the movement-model numbers are also engraved onto the case back.The page includes a calculator along with instructions and example images to help you find the movement caliber, case code and serial number on the back of your watch. 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.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 most detailed database of all Seiko production since 1950 over the web, including movement revisions (ex: 7S26B or C) and various extra features.
In the example images the serial number is highlighted in blue. 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. 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.