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Old 12 January 2022, 01:00 PM   #1
NTCP8
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Calibre 4302 issue

So the calibre 4302 has a 70h power reserve, which is great. However, I tested it three times and it these were the results:

Monday 9.11pm - Wednesday 5.35am

Friday 9pm - Sunday 2pm

Monday 9am - Wednesday 11am

Far from the 70h power reserve... I'm meeting AP's watchmaker next week Friday. Anyone else here who had a similar issue with the calibre 4302? Yes, I watch was fully wound.
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Old 13 January 2022, 05:57 PM   #2
squall1
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I'm wondering, how to tell if fully wound? Is there guidance someplace (perhaps I should have read the manual)?
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Old 13 January 2022, 06:39 PM   #3
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How many turns is a full wound? I have recently bought Code 11 with 4302 and will try it.
Checked the manual, but there is no info. Except that it should start running after 25 turns.
Rolex for example is 70-75 turns for full wound.
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Old 13 January 2022, 09:52 PM   #4
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Calibre 4302 issue

Quote:
Originally Posted by AEV View Post
Rolex for example is 70-75 turns for full wound.
No, 40 full (360 degrees) turns.

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Old 13 January 2022, 10:17 PM   #5
NTCP8
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There is no info in the manual. I did around 40 - 50 turns. Rolex is definitely not 70. My 2016 Sub needs 40 turns for 48h power reserve.

Will update this topic once I've spoken with AP's watchmaker next week...
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Old 13 January 2022, 10:45 PM   #6
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I read somewhere on the forum that it was 70.
Thanks for the input. I learned something new.
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Old 13 January 2022, 10:47 PM   #7
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Originally Posted by NTCP8 View Post
There is no info in the manual. I did around 40 - 50 turns. Rolex is definitely not 70. My 2016 Sub needs 40 turns for 48h power reserve.

Will update this topic once I've spoken with AP's watchmaker next week...
Cool. Keep us posted.
I also wounded my Code. Let's see how long it will last.
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Old 13 January 2022, 10:55 PM   #8
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Calibre 4302 issue

Quote:
Originally Posted by AEV View Post
I read somewhere on the forum that it was 70.
Thanks for the input. I learned something new.
You are very welcome.
There are a lot of wild guesses and wrong opinions around ...
I MEASURED it for 4 different Rolex watches using a professional timegrapher. After 40 full turns the tested watches all reached a maximum in the achievable caliber amplitudes, which means that they are fully wound. Look at my two graphs in the above linked post.
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Old 14 January 2022, 11:38 AM   #9
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You are not winding it enough my friend. Do 80 then run your test and have fun
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Old 14 January 2022, 12:46 PM   #10
NTCP8
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You are not winding it enough my friend. Do 80 then run your test and have fun
Tanks TunaTuna... I'm new to AP, so have to learn a few things about the movements. Thought 40-50 turns would be enough. Will do another 'test'.
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Old 14 January 2022, 01:53 PM   #11
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Quote:
Originally Posted by NTCP8 View Post
So the calibre 4302 has a 70h power reserve, which is great. However, I tested it three times and it these were the results:

Monday 9.11pm - Wednesday 5.35am

Friday 9pm - Sunday 2pm

Monday 9am - Wednesday 11am

Far from the 70h power reserve... I'm meeting AP's watchmaker next week Friday. Anyone else here who had a similar issue with the calibre 4302? Yes, I watch was fully wound.
32hrs, 41hrs, and 50hrs... i think you might not have wound it enough. Anyway i fully would my code 1159 on wed around 630pm and not touched it since...i'll update again tomorrow.
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Old 15 January 2022, 07:57 PM   #12
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Alright, my code stopped about 525pm. That's slightly above 70 hrs. As some of the other guys said, you might not have wound it fully. It takes my fingers 2-2.5 twists to actually turn the crown a single complete round. Perhaps you could try winding your watches at least "80 rounds".
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Old 17 January 2022, 02:12 PM   #13
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Thanks Zavier. I'll wind my Code 11.50 a bit more. After 50 turns, I do get some resistance from the crown, don't want to damage it. Nevertheless, going to AP House on Friday...
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Old 17 January 2022, 05:55 PM   #14
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Quote:
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Thanks Zavier. I'll wind my Code 11.50 a bit more. After 50 turns, I do get some resistance from the crown, don't want to damage it. Nevertheless, going to AP House on Friday...
It is safe to wind an automatic watch as many times as you like, they have a slipper clutch whichs stops the transmission once the max power reserve has been attained.
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Old 17 January 2022, 06:18 PM   #15
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Quote:
Originally Posted by saxo3 View Post
You are very welcome.
There are a lot of wild guesses and wrong opinions around ...
I MEASURED it for 4 different Rolex watches using a professional timegrapher. After 40 full turns the tested watches all reached a maximum in the achievable caliber amplitudes, which means that they are fully wound. Look at my two graphs in the above linked post.
So as not to confuse things how many ‘full turns’ for this AP just to get back on track?
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Old 18 January 2022, 08:37 AM   #16
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Quote:
Originally Posted by saxo3 View Post
You are very welcome.
There are a lot of wild guesses and wrong opinions around ...
I MEASURED it for 4 different Rolex watches using a professional timegrapher. After 40 full turns the tested watches all reached a maximum in the achievable caliber amplitudes, which means that they are fully wound. Look at my two graphs in the above linked post.
So I did a quick test of my two GMTs both with 3285 movement.
40 turns, both lasted 65 hours with a couple of minutes apart.
Both were in the case, dial up.
Maybe I need to make sure that I do full turns.

My Code on the other side did 53 hours but I did around 50 turns.

So I will repeat again in the coming days.
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Old 18 January 2022, 09:22 AM   #17
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Calibre 4302 issue

Quote:
Originally Posted by AEV View Post
So I did a quick test of my two GMTs both with 3285 movement.
40 turns, both lasted 65 hours with a couple of minutes apart.
Both were in the case, dial up.
Maybe I need to make sure that I do full turns.

My Code on the other side did 53 hours but I did around 50 turns.

So I will repeat again in the coming days.
Good test; I carefully counted the quantity of full turns. All three Rolex 32xx movements had above 71 hours PR.



If you have a timegrapher you can do the same measurement for your AP Code11.
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Old 18 January 2022, 10:31 AM   #18
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Thanks for all the replies and knowledge. Something is clearly off with my Code. Did around 50-60 turns on Sunday 10pm, it stopped today Tuesday, 3.10am.
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Old 18 January 2022, 10:47 AM   #19
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Calibre 4302 issue

I have a new 15500 RO and I’m experiencing similar problem. Furthermore, when I wind the watch from scratch, it doesn’t start until after I wind it for like 70 times and I turn it physically around and back up.. while when I wind a 15451ST we have at home and it starts running I wind it


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Old 18 January 2022, 09:07 PM   #20
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Quote:
Originally Posted by saxo3 View Post
Good test; I carefully counted the quantity of full turns. All three Rolex 32xx movements had above 71 hours PR.



If you have a timegrapher you can do the same measurement for your AP Code11.
Thanks for the great info.
I initiated the test again. 2 GMTs 126710 and I made sure I do 40 full turns, resting position dial up.

I also wounded up my 114060 40 times to see if it will do the 48 hours.

Same with the Code, but this time I did 80 turns.

I also want to double check the accuracy. In the first run the GMTs were +1; +3, while the AP was +11

Will update the thread on Friday.
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Old 19 January 2022, 01:45 AM   #21
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Originally Posted by Champagnepapi View Post
I have a new 15500 RO and I’m experiencing similar problem. Furthermore, when I wind the watch from scratch, it doesn’t start until after I wind it for like 70 times and I turn it physically around and back up.. while when I wind a 15451ST we have at home and it starts running I wind it


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Normal - happens on my CODE time only (same movement) and my ROO 43.

It has to do the with new movement 4302/4401 - it just takes more winds to get it going and I think it has to do with the barrel size and how the movement is constructed.

The old 3120/3132/3126 use the 3120 as the base and will start itself with 1-2 winds or even just moving it around for a couple seconds.

I can’t speak for other brands but it’s the ‘sacrifice’ for a larger barrel and longer power reserve
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Old 19 January 2022, 03:27 AM   #22
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Quote:
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Normal - happens on my CODE time only (same movement) and my ROO 43.

It has to do the with new movement 4302/4401 - it just takes more winds to get it going and I think it has to do with the barrel size and how the movement is constructed.

The old 3120/3132/3126 use the 3120 as the base and will start itself with 1-2 winds or even just moving it around for a couple seconds.

I can’t speak for other brands but it’s the ‘sacrifice’ for a larger barrel and longer power reserve
I noticed the same thing as well- it takes alot more winding to kick start the newer movements.
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Old 19 January 2022, 03:49 AM   #23
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Calibre 4302 issue

Quote:
Originally Posted by Reign View Post
Normal - happens on my CODE time only (same movement) and my ROO 43.

It has to do the with new movement 4302/4401 - it just takes more winds to get it going and I think it has to do with the barrel size and how the movement is constructed.

The old 3120/3132/3126 use the 3120 as the base and will start itself with 1-2 winds or even just moving it around for a couple seconds.

I can’t speak for other brands but it’s the ‘sacrifice’ for a larger barrel and longer power reserve

Thanks for letting me know. I was feeling kinda weird about maybe having a problem with my piece. Good to know it’s just the new movement’s barrel and power reserve (:


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Old 21 January 2022, 05:57 PM   #24
NTCP8
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Just came back from AP House. They did a few tests (forgot the exact name), and everything seems fine. You do have to wind this calibre at least 80 turns. Will test it one more time over the weekend.

Not related to the movement, but the watchmaker did say that dust can get into the CODE easier than other watches... Dust underneath the sapphire crystal... In case that happens AP will clean it.
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Old 21 January 2022, 10:53 PM   #25
squall1
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I wound mine around 100 times on Tuesday at 10:30 am and set it face up in a watch box. It quit today (Friday) at 1:50 pm. It was a tremendous sacrifice to not wear this watch for 3 days, but in the name of science it had to be done.
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Old 22 January 2022, 02:19 AM   #26
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I did another test. I made sure I wound the Code 80 times. It did 76h 4min. So it does indeed need more wounding.
Accuracy though was at some point +20sec and then it wend down to +15sec.
I was expecting to be more accurate.

How is other's Code accuracy with 4302 movement?

I also tested my two GMTs, each one with 40 wounds.
BLRO 72h 47min
BLNR 74h 38min
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Old 22 January 2022, 07:51 PM   #27
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Quote:
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I did another test. I made sure I wound the Code 80 times. It did 76h 4min. So it does indeed need more wounding.
Accuracy though was at some point +20sec and then it wend down to +15sec.
I was expecting to be more accurate.

How is other's Code accuracy with 4302 movement?

I also tested my two GMTs, each one with 40 wounds.
BLRO 72h 47min
BLNR 74h 38min
Usually my AP’s accuracy varies quite abit. But my code runs at +1.5 sec a day, so far it’s the most accurate.
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Old 22 January 2022, 10:38 PM   #28
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Usually my AP’s accuracy varies quite abit. But my code runs at +1.5 sec a day, so far it’s the most accurate.
Thank you. That’s what I would expect indeed.
I will monitor mine in the coming weeks to see if it gets better.
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Old 3 January 2023, 12:16 AM   #29
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I just had a similar issue with my 4302 in the 15500. I had worn it for almost a week (maybe one day off the wrist during the period) and it stopped after about 24 hours. Possible I just was being sedentary throughout. I gave it around 70 winds now so lets see how this goes..
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Old 23 February 2023, 02:24 PM   #30
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Thanks for letting me know. I was feeling kinda weird about maybe having a problem with my piece. Good to know it’s just the new movement’s barrel and power reserve (:


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Glad I came across this thread lol. I was a little worried that my 15550 took longer than “normal” to get the movement wound up, especially because my 15450’s movement winds right away
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