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23 October 2018, 01:17 AM | #1 |
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Power Reserve test results of the 3235 in the SD50th (WIS content)
Here are my results of the Power Reserve test or mainspring test of my SD50th with the new 3235 movement. The specs of the 3235 is to have “approximately” 70 hours of power. I do this test with every new watch to document its performance and mainspring health. Before running the test my accuracy has been stellar with + or - 0.0 seconds in one weeks time. I set my watch from new at +1.50 seconds. Unfortunately to do the test you must let the movement stop.
Power Reserve Test Rolex SeaDweller Full wind 10/19/18 +1.50 @ 11am. +1.50@ 9pm 10.20/18 +1.50@ 8am +1.50@ 8pm 10/21/18 +1.50@8am -1.0 @7:30pm -1.50 @ 11pm 10/22/18 -6.0@7am -9.0 @ 8:30am -10.0 @ 9am -15@10am -20@10:25am. Stop 10:40am. Total 71:40 This means my watch exceeded its power reserve spec of 70 hours by 1 hour and 40 minutes. Outstanding. This is a easy test to do. Just wind your watch all the way up and sit it down and don’t touch it. Monitor its accuracy as the movement winds down. You will find out where in the power cycle does accuracy start to deviate. For my watch with the new 3235, the accuracy is rock solid well past the 48hour mark of power reserve with 0 seconds of deviation. Remarkable. Even after, I stay within the Rolex +2 to -2 past the 50 hour power reserve mark. Notice late in the test when the power reserve starts to gradually slow the movement down. It’s still a nice consistent slowing down process and timing is not erratic. Rolex crushed it with the new 3235 movement in accuracy and usable power reserve. Other watches can have a high power reserve but how accurate does their movement perform during the duration of the power cycle??? A long power reserve is nice but meaningless if accuracy falls away 30% into the power reserve. Rolex advancements have yielded real tangible performance gains With the 3235.
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23 October 2018, 01:19 AM | #2 |
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Yeah, I've been impressed with the new movement as well.
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23 October 2018, 02:01 AM | #3 |
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Thanks for sharing, very informative and I'm glad to know the performance of the 3235 movement delivers more than what Rolex is stating
Last edited by leong; 23 October 2018 at 02:03 AM.. Reason: Typo error |
23 October 2018, 02:27 AM | #4 |
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sd43 is the king!
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23 October 2018, 02:40 AM | #5 |
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Great post, as usual!
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23 October 2018, 02:52 AM | #6 |
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Power Reserve test results of the 3235 in the SD50th (WIS content)
I haven’t tested power reserve, but after an initial period with gaining 6-10 secs per day, mine has settled into being spot on for weeks (talking 0.0 seconds from atomic clock app on my iPhone).
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23 October 2018, 02:54 AM | #7 |
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IMHO power-reserve is the least importance with today's wrist watches would not be surprised even movements like the 32 series will end up on machine winders.Longer power reserve in watches is not something new back in the 1970 Longines had twin barrel movements with average 65 hours.Rolex uses a single spring barrel but the spring barrel wall is a lot thinner to accommodate a longer mainspring.So even after a full wind there could be differences in overall power-reserve one movement could be a hour plus over another movement on the 70 hour or a little over.
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ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder |
23 October 2018, 03:14 AM | #8 |
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Very interesting, and a real statement piece. I have a new movement in a new DJ, but I haven't been able to keep it off of my wrist long enough to tax the reserve.
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23 October 2018, 07:40 AM | #9 |
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Thanks for sharing your research. Most interesting.
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23 October 2018, 07:53 AM | #10 |
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Great post as always .. I guess I will find out first hand in the next day or two thanks to DavidSW.
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23 October 2018, 08:10 AM | #11 |
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Thoroughly enjoying your reviews and follow up!!
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23 October 2018, 08:19 AM | #12 |
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What good is power reserve if you have a collection of numerous watches. All my watches sit idle until I get around to wearing them again months later. Actually it might be said that the watches are hurt by the greater reserve as they run longer each time they're take off the wrist.
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23 October 2018, 11:35 AM | #13 |
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You either wear the watch enough to wind it, or you don’t. That’s an awesome power reserve, but the added hours are useless
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23 October 2018, 12:14 PM | #14 | |
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This is like saying what good is a extra 200hp when you only drive 60mph. A lot of people rotate a few watches a week. The extra power reserve is for these people and those with sedimentary jobs where their daily activities might not be enough to fully wind the watch on certain days. It has been reported here by those with desk jobs that their daily activity isn’t enough to fully wind their watch. Saturation diving is one activity where a extra power reserve could be very useful. Having extra power reserve in a automatic movement is like having extra money. Most find these a more desirable option as it’s better to have it and not need it than need it and not have it.
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23 October 2018, 12:36 PM | #15 |
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All these recent posts about the SD43 really makes me miss mine. I traded it for a Smurf back in February. It was a wonderful watch, it just never got much wrist time. I’m waiting on my JC deep blue to come in. At least I’ll add a Sea Dweller to my collection
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23 October 2018, 12:43 PM | #16 |
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Going PM is a huge move so it’s understanable something had to get traded. The DSSD JC is a awesome watch and since you had a SD43, you know what size your wrist can wear. I wonder what the weight difference is between your Smurf and JC?
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23 October 2018, 01:11 PM | #17 | |
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I absolutely love my 619. I don’t regret the trade one bit. Doesn’t mean I don’t miss my SD43 though. I saw a thread where it compared the weight of the Smurf and the JC. The Smurf was a little heavier if my memory serves me. It actually took a bit of getting used to. I wasn’t prepared for the weight of the 619 and to be honest, I didn’t really like it at first, but I’m used to it now. I’m really looking forward to the call that my JC is in. Believe it or not, since I have such a good relationship with my AD, I bought the 116660 JC for a friend. I wore the watch for 24 hours before I had to give it up. I liked it so much, I wanted to keep it. |
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23 October 2018, 01:56 PM | #18 |
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thanks for sharing~
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23 October 2018, 01:58 PM | #19 |
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thanks for sharing, I own one with the new mvmnt and can confirm accuracy
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23 October 2018, 11:42 PM | #20 | |
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Quote:
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24 October 2018, 12:09 AM | #21 | |
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24 October 2018, 12:49 AM | #22 | |
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Thanks for the post OP! I would never have the patience to test it |
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24 October 2018, 01:07 AM | #23 |
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I have a new DJ41, I've yet to test the exact accuracy but it did take 71:35 to run down after 40 winds.
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24 October 2018, 01:41 AM | #24 | ||
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Quote:
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As far as saturation divers are concerned, I'm certain that the large fraction of those divers on the forum will get great use of the added power reserve. IMHO the big use for the new movement is bragging rights and for those who wear one or two watches alternating between weekend and weekday. |
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24 October 2018, 02:18 AM | #25 |
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All watches have a winding crown and guess what its there to wind the watch and this miniscule task must take all of 29 seconds to do.
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ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder |
24 October 2018, 02:25 AM | #26 |
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The watch world has been after Rolex for years constantly mentioning their power reserve being behind the industry.
I am all for being conservative but I cant believe there would be any push back on the idea or any negative view point for Rolex building and advancing their movements. That doesnt mean their older movement are inferior but the industry is advancing and Rolex cant be content with the status quo. Rolex has to march on with improvements and there is only so many areas I think they can do. Its a luxury overbuilt watch to begin with so giving you more of what you probably dont need is part of the game.
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24 October 2018, 02:45 AM | #27 | |
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24 October 2018, 02:48 AM | #28 |
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Man, your posts are always awesome. I remember reading your detailed analyses of Suunto watches back in the day on WUS
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24 October 2018, 03:41 AM | #29 |
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Mine still exactly on time with atomic clock .... 2 weeks now with 0.0 sec variation!
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24 October 2018, 05:34 AM | #30 | |
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BTW, I am not sure if frequent manual winding would wear down some mechanical/parts faster. Never got a clear answer. |
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