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I've had he Speedmaster for three months now. It's been very accurate. The time change one hour back was about two weeks ago. Today she is +/- 0 seconds. No kidding. And the new GMT has been 0 to + 2 seconds per-day. Not bad luv. John Wilson.
 

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Good for you, and beautiful pictures. That speedy photo is very stunning, you bought that as new? (not second hand)

My older cal321 is about -1s per day, which I think is very good from such an old watch. (Altough the cosmetics have been redone)
 

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I've had he Speedmaster for three months now. It's been very accurate. The time change one hour back was about two weeks ago. Today she is +/- 0 seconds. No kidding. And the new GMT has been 0 to + 2 seconds per-day. Not bad luv. John Wilson.
your speedmaster is +/-0, it means it is perfect. i never knew this could happen to an automatic. you are very lucky.

Now, since it is +/-0, how do you know it is +/-0? where do you base your reference because for your watch to be +/-0, the reference should be absolute/constant.
 

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Discussion Starter #6
Good for you, and beautiful pictures. That speedy photo is very stunning, you bought that as new? (not second hand)

My older cal321 is about -1s per day, which I think is very good from such an old watch. (Altough the cosmetics have been redone)
New. John Wilson.
 

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your speedmaster is +/-0, it means it is perfect. i never knew this could happen to an automatic. you are very lucky.

Now, since it is +/-0, how do you know it is +/-0? where do you base your reference because for your watch to be +/-0, the reference should be absolute/constant.
Time.gov. Then I look at my watch. John Wilson.
 

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My old 1969, 861 calibre Speedy keeps amazingly accurate time. I never have to alter it manually, just a little positional tweaking overnight keeps it smack on. Great watches, without a doubt :-!


 
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