Vintage Seiko 5 wristwatch, Cal 4206B Complete the reassembling.
Today I completed the reassembly of the 1981 Seiko 5 calibre 4206D Case no; 0500 Serial number 167431 Women's wristwatch.
This is the smallest mechanical watch movement I have worked on so far, being smaller than a “Twenty Pence” piece coin!
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| Smaller than a “Twenty Pence” piece coin! |
Day and Date mechanisms fitted along with minute, hours wheels etc.
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| Day and Date mechanisms fitted |
I did waste a bit of time looking for the Day Jumper Spring, which decided to fly off!
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| Day Jumper Spring |
Dial and Hands fitted and movement refitted into the watch case
Tested the hands at the 9o/c and 3o/c positions, Spot on!
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| Tested the hands at the 9o/c and 3o/c positions |
Placed movement on the timing machine and readings are good. Will let the movement run a few days to settle down, then I will regulate it.
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| movement on the timing machine |
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