The Seiko pagesLink to my Seiko serial number decoder
For other brands, musical instruments or other collectibles try serial-number-decoder.co.uk
Here are some pics of the pride of my calculator watch collection, the Seiko C153 calculator watch, complete with stylus, box, outer box,manual and receipt from 1980.
And a group of my early seiko LCD and LCD calculator watches.
Some Seiko C359 calculator watches.
A bunch more from my non-LCD collection starting with a few bellmatic alarm watches.
My 6139-7101, Seiko Helmet.
My daily watch, the 7T32-6A5A from 1992.