ROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEX
5 August 2018, 10:36 PM | #1 |
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Sudden slight drop in accuracy -SD43, Slightly magnetized
I’ve had my SD43 for a year and in that time it consistently ran -.7sec a day. No matter what position I placed it at night it was consistently-.7 sec a day. Two weeks ago it just suddenly dropped to -2.7 sec a day. I know most people will say that is fine but it is now getting out of spec and do not want it to drop anymore. Watch has not been dropped etc. I held it next to a small compass and shows to be very slightly magnetized. Could the slight magnetization have a influence on the wheels/gears to slow it? I know the hairspring/balance wheel are anti- magnetic. Any thoughts?
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6 August 2018, 12:09 AM | #2 |
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It is a mechanical watch, its accuracy can vary. It is not magnetised.
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6 August 2018, 12:14 AM | #3 | |
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6 August 2018, 12:43 AM | #4 |
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Hi Bas - do you know the percentage of watches that come in for service that are running fast and are, in fact, magnetized? Just curious as I would think it would be fairly high.
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6 August 2018, 12:48 AM | #5 |
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Actually it's not that common for a Rolex to get magnetized (especially modern ones), maybe 1 in 25 orso.
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6 August 2018, 12:48 AM | #6 |
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The parachrome hairspring in your watch is anti-magnetic, OP. Most likely not magnetized.
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6 August 2018, 12:49 AM | #7 |
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Yep, the 'sticking' hairspring shortens it's effective length thus speeding it up rapidly.
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