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Vintage Heuer Discussion Forum
The place for discussing 1930-1985 Heuer wristwatches, chronographs and dash-mounted timepieces. Online since May 2003. | |||||||
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Hi Darren,
Please find enclosed the result of 5 of my personal watches;
1. Siffert MKII - Very early Cal.11 serviced: 44h27m
2. Siffert MKIV - Caliber 11i serviced: 45h39m
3. Silverstone R - Caliber 12 serviced + new mainspring: 43h51m
4. Monaco Transitional - Very early Cal.11 (not serviced): 41h07m
5. Monaco PVD - Valjoux 7740 serviced: 35h15m
I was quite surprised the serviced 7740 Valjoux from my PVD Monaco wasn't able to tick longer...maybe it does need a new mainspring after all...
Cheers,
Abel.
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