My Speedmaster I purchased in 1976

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Very nice set! I didn’t realize the crater box could go as late as a -76 model. Thanks for sharing.
 
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Not sure what year of manufacture, can you tell by serial number.
 
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Some say "a time capsule.."!
Wonderful set.👍👍
 
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Thanks. Have the original bill of purchase and all that came with it also an unused bracelet which apparently dont come cheap if you can find one.
 
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Would appreciate any expert knowledge on these beauties such as how to date them , values and best way to sell.
 
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Thanks, would have been a great christening pressie. Am thinking of sharing it between my 8 grandchildren.
 
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Very nice. Very interesting as well.

The movement number is indicative of an earlier year example, 1969 perhaps.
Could we see the caseback perhaps?
A movement number pic would require a trip to a watch maker but would also answer some questions as well.

wonderful example.
 
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Very nice. Very interesting as well.

The movement number is indicative of an earlier year example, 1969 perhaps.
Could we see the caseback perhaps?
A movement number pic would require a trip to a watch maker but would also answer some questions as well.

wonderful example.
 
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Thanks will take the back off and post some pics for the experts as i know nothing about these except that i think i have a little gem maybe!!
 
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How about just a photo of the outside of the case-back.
 
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Beautiful set, as others have mentioned.

This watch should have a step dial for 31m serial. I can’t tell from the provided pictures. Perhaps better resolution images of the dial can provide some clarity.