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cuonglm
·Yep, absolutely, that is a different mechanism.
3861 chrono minutes hand moves on it's own
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ErichKeane
·Sorry for not to be clear, I mean pressing the reset pusher after the minute recorder hand started moving …
IF you are in 'zero' already, the hammer in many/most chronographs will rest on the heart-shaped parts of the wheels and stop them from rotating.
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Watch Interest
·He's not.... He passed away 4 months ago
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Watch Interest
·You DO realize this is not unique to the 3861, and the 321 has the same thing? As do a vast majority of chronographs? They ALL(that is, jump-minute chrons) keep the minute hand in place with a small spring of some sort, then advance it, so this is a 'chronograph' thing, not a speedmaster thing...
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ErichKeane
·So the 321 jumps the same amount as the 3861. You sure?
As Archer mentioned, it is dependent on the tension of the minute jumper spring on the minute totalizer wheel, so it differs on a per watch basis (I did as much punching the air as I could last night on my 3861 and couldn't get it to jump at all), but there is no flaw with the 3861 that differs in any way from the 321.
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ErichKeane
·See the photos of the two movements here: The 3861 has a larger bridge than the 321, but the mechanism/jumper is the same.
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josiahg52
·I op tested my new Moonwatch. Checked the Replica, too. No issues here.
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Watch Interest
·Yes, the mechanism is identical (AND is the identical mechanism on basically ALL jump-minute chronographs).
As Archer mentioned, it is dependent on the tension of the minute jumper spring on the minute totalizer wheel, so it differs on a per watch basis (I did as much punching the air as I could last night on my 3861 and couldn't get it to jump at all), but there is no flaw with the 3861 that differs in any way from the 321.
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ErichKeane
·Does the Rolex Daytona do this?
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Watch Interest
·Yes.
