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roskopf troubles

2248 Views 27 Replies 6 Participants Last post by  riclit0
Hi guys
!st timer here and mostly ignorant.
have an Newmark mk11, 13 lignes. pin pallet oldie(worn) Original balance replaced with closest match but watch losing 50-60 minutes per full day.
Reckon the balance is too heavy, Is that ok ? And so plan to skim balance rim approx. 4per cent of total weght to speed up.
Is this viable ? Would decreasing weight of balance speed up timekeeping to proper levels ?
Amplitude seems good, healthy tick and runs for 27-28 hours on full wind,cleaned and oiled.
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Sorry anything with the words pin pallet (by itself) and worn in the same sentence isn't going to perform well ;-(
Hi nzwitchdoctor
Thanks for your reply. You are right.Forgot to say two pivot holes replaced and winding stem hole too.
Any ideas about the rest of my query ?
There maybe another model of that watch that looks the same and similar calibre number but a different balance and so different timekeeping result. That's where I'd be looking first before trying to take weight off the balance.
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