Can anyone shed some light on this or even point me in the right direction to do some reading. And then theres names which Ive never heard of and unsure how they came about e.g. 5R86A with power reserve indicator, second time zone and 12-hours chronograph. Some watches look similar but have different model numbers. This indicates the example was manufactured in May 1976 and the unique production number is 2290. The first digit indicates the year, the following character the month and the remaining 4 digits a unique production number.
#393424 seiko model number serial numbers
The key to the whole trick is knowing what movement is in side and older movement like the 6309 was made in the late 70's and 80's and so a watch with 86XXXX would be April 1988 and so on. Model SPS009J1 powered by Seiko spring drive movement Cal. Serial Number: The serial numbers on modern Seiko models are comprised of 6 digits. SKP334-2 : Call - 1+ 800 504-9996 or : Amptron Provides. A pro-Seiko forum, for modern & vintage Seiko. Most Seiko serial are 6 digits long and so a serial of 86XXXX would be a watch made in April of 2008 The following is a list of many of the Seiko models we service and repair. Seiko only uses plastic and has since 1990. In 1967 and 68, they used both 7 and 6 digit numbers, and from 1969 on, used exclusively 6 digit numbers. 393424 in words : three hundred ninety three thousand four hundred twenty four. One clue can be the number of digits-From about 1960 to 1967, Seiko used 7 digit serial numbers. The second number in the Serial is the month the watch was made if you see a 4 it will be the month of April Write 393424 number in english words or spelling American English and British English spellings are little different for numbers but spelled in the same manner. The first number in the Serial is the last number in the year of production, and so if it is a new watch and you see an 8 it should be the year 2008
#393424 seiko model number serial number
All Seiko's should have a Serial number on the case back
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