Dating seiko watches
I hope this helps, it is not always as straightforward with dating vintage Citizens, as the case-back information changed over the decades.
Any questions please ask and I will try and help if I can.
Dating all the way back to the 1880s, Seiko is famed for excellent and dependable timepieces and clocks.
Dating Vintage Seiko, Citizen Watches is not as difficult as you may think, as all the information you need is inscribed on the back case.Mit der Escape-Taste kann das Fenster geschlossen werden.Seiko began producing dive watches back in 1965 and since then they have become a global standard through 50 years of innovation.Dating Vintage Citizen watches can prove a little more challenging but in theory at least they are also as easy to date.In the picture above we have a Vintage Seiko Bellmatic with the back-case removed, inscribed on the back-case is all the information needed, Stainless Steel is the watch case & back material, the 4006-5002 is the Model number, Water Resistant is self-explanatory, Japan is country of Origin (Made in) and 213067 is the serial number, the first two digits are the year and month, so you do need to know the decade, this comes with experience, or you can just Google the model number and you should find the decade quite quickly, or you could ask if it is still unclear, I will do my best to help.