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23 June 2022, 10:04 PM | #1 |
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To all the FPJ CO owners - how accurate is the watch?
While I'm patiently waiting for the call to pick it up (will be quite a while lol, I expressed interest only a year or so ago), I'd love to know how accurate the Chronomètre Optimum really is.
With the double barrel and the remontoir d'egalité the watch should be extremely accurate – but can it beat the +/- 2 seconds a day that Rolex guarantees? If there are any owners who checked to see how accurate the machine really is, please share your findings 😊 |
24 June 2022, 02:59 AM | #2 |
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While I don’t have an optimum I have doubts it’s significantly more accurate than a well regulated Rolex. BUT….
That’s like saying that supermodel is hot hot hot. I heard she runs marathons but can she clear them in under 4.5 hours??!?! Lol I get your point completely as the optimum is built around precision and look forward to owners thoughts and feedback. My plebeian ARS2 has been plenty accurate. I often take it back out 4-5 days later and it requires no adjustments still running.
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24 June 2022, 10:07 AM | #3 |
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I have a CO but I have never tested the accuracy of this watch or other watches I have, unless they are noticeably off by a few minutes per day. I have 2 new Rolex that I brought back to RSC for regulation because they were off by 4 to 6 minutes despite being new watches.
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24 June 2022, 05:19 PM | #4 | |
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24 June 2022, 05:22 PM | #5 | |
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24 June 2022, 06:55 PM | #6 |
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24 June 2022, 08:14 PM | #7 |
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Thanks mate!
Took this at the Botanic Garden. Hope you like it. |
25 June 2022, 11:51 AM | #8 |
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It’s a very precise watch for sure but not sure of the accuracy. The amplitude is very consistent.
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F.P.Journe Chronometre Optimum Black Label, Patek 5811G-001, Patek 5968A-001, Patek 5167A-001 IG: tokyo_watch_guy |
26 June 2022, 07:40 AM | #9 |
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When I had mine it would be off about 2 minutes per day.
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26 June 2022, 09:01 AM | #10 |
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I'm curious if any movements trying to improve accuracy actually make a big difference compared to just a well regulated watch?
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26 June 2022, 09:57 AM | #11 | |
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All below jmho. Back in the 1800s and even up to the 1960s very high-precision manufacturing and metallurgy was more 'challenging' and 'more' costly. Thus things like tourbillon was helpful back in the day. Modern manufacturing and material science have come a lonnnnnng way. Look at what Armin Strom is doing, for example, with their Mirror Force Resonance. Very impressive imho, and read how they create some of the parts to verrrry high precision / tolerances. There's also dual hairsprings in opposing directions by H. Moser. There are interesting additional ways to increase the possibility of accuracy... provided the mechanism is properly implemented and well-regulated. As much as I love the gyrotourbillon, it begs the question concerning all these additional parts and movement of bits bring added problems too (is fewer parts inherently better for accuracy, long-term durability, and consistency, if actual use as a timepiece is the goal above all else). Today it is relatively easy to produce a 'good enough' movement for a few hundred dollars that functions accurately (+/-10 sec/day). So it's really more about regulation nowadays, and the ability of the mechanism to retain this over a period of years. I was able to re-regulate this modern Timex to consistent ~3 seconds/day using a timegrapher. Not bad for a $300 timepiece and a bit of extra effort by the end-user. Again, all this is jmho, other than the accuracy of the Timex, which can be proven factually.
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26 June 2022, 12:39 PM | #12 | |
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Sure the spring drive but who cares really. I choose to drink the kool aid while collecting. It’s half the fun and doesn’t mean I don’t see the wizard behind the curtain.
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26 June 2022, 01:09 PM | #13 |
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Spring Drive is quartz so not really much about regulation tbh.
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26 June 2022, 07:53 PM | #14 | |
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28 June 2022, 03:33 AM | #15 |
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One is quite accurate, but three… |
28 June 2022, 07:25 PM | #16 |
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