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Old 26 August 2019, 04:19 AM   #4
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Join Date: Apr 2015
Location: Hong Kong
Posts: 669
Originally Posted by vesnyder View Post
My 35 year old DJ has not been serviced in quite a while and seems to lose close to 20 seconds per day. Do you think they will be able to get it back into spec - +/- 2 seconds per day?
When I had my 1984 Datejust serviced they made it clear to me that after service the watch will be guaranteed to run within COSC (+6/-4) spec. They would NOT attempt +/-2 per day.

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