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Old 6 July 2016, 12:52 AM   #1
wach16
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ROC Movement Question

Wise TRFers...My F series Royal Oak Chrono has been losing time recently (15 seconds a day) so I sent a note to APSC to see what their advice is. I had it serviced last year at Clearwater so it is still under warranty and would rather get it adjusted now vs. have to pay for it later. This morning as I was setting the time to get a clear indication as to how much it is losing a day, there was something I noticed that I had never seen before. When I pull the crown out to it's time setting position and wind the hands backward, the running second hand stops and in some instances even moves backwards with the minute and hour hands. The 2385 is a non-hacking movement so I am not sure if there is something wrong or if this is normal and I never noticed it before. Anyone with a similar issue or who has a ROC and can verify if this is normal?

PS...When I advance the hands forward, the seconds hand continues as normal. It is only when I am advancing the hands backward that it does this.
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Old 6 July 2016, 01:35 AM   #2
GB-man
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I believe that is common on non hacking movements. My pateks (324 movement) did the same thing. Some would advocate using this to set the seconds correctly but it seems unnecessary to me and I worried it would damage something. That said, I'll let someone with more knowlege of movements and the f Piguet caliber chime in.
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Old 6 July 2016, 04:53 AM   #3
lbidhan
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I have a 25860 ROC that works exactly as you described. I think its normal. I usually move hands 5 minutes past the time (recommended in the manual) I am setting and then move it backwards. Second hand stops when moving backwards - I use it to time the watch to the last second.
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Old 6 July 2016, 12:39 PM   #4
wach16
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Thanks everyone...I am sending it back to APSC to get the rate loss regulated but it sounds like my secondary concern of the seconds hand is a nuance of the movement which I am glad to hear!
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Old 6 July 2016, 12:53 PM   #5
wisguy
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Take care of it now, the second hand concern is normal as other mentioned.
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