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"TRF" Member Join Date: Dec 2020 Location: USA Posts: 404 How many turns does it take to fully wind a Tudor Black Bay 58? I wound my BB 58 30 times and put it back in its case and found that it had stopped after 34 hours and 20 minutes so I wound it 80 times and it lasted 60 hours and 40 minutes. How many times do I have to wind it to get 70 hours of power reserve? "TRF" Life Patron Join Date: Jun 2005 Real Name: Peter Location: Llanfairpwllgwyng Watch: ing you. Posts: 51,133 Depends on how you are winding they need at least 70 full crown turns clockwise only, as they only wind on the forward wind. And you cannot overwind it as when mainspring is fully wound it just slips in the spring-barrel. __________________ 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." Second in command CEO and left handed watch winder "TRF" Member Join Date: Dec 2020 Location: USA Posts: 404 Quote: Originally Posted by padi56 Depends on how you are winding they need at least 70 full crown turns clockwise only, as they only wind on the forward wind. And you cannot overwind it as when mainspring is fully wound it just slips in the spring-barrel. Thanks you.Maybe I am not turning it all the way round. 2023 Rolex DAYTONA Pledge Member Join Date: May 2013 Real Name: Nick Location: Las Vegas Watch: 1601 Posts: 10,043 How many turns does it take to fully wind a Tudor Black Bay 58? The Tudor North Flag contains the MT5621 which is what all Tudor non chronograph in house movements are based on. The power reserve indicator will reach max at ~ 35 - 42 full winds. Lasts close to the advertised 70 hours when left idle. More like 64-66 hours. 70 full winds as Peter suggested would definitely give the mainspring max tensile strength and any excess will just slip. 1 full wind would be 1 full rotation of the crown. On a Tudor, it is easier if the crown has an embossed shield vs the rose as you can tell its a full rotation as you wind when the shield returns to its starting orientation. "TRF" Life Patron Join Date: Jun 2005 Real Name: Peter Location: Llanfairpwllgwyng Watch: ing you. Posts: 51,133 Quote: Originally Posted by Me4u2night No idea but I wind it about 15-20 times, put it on my wrist and it’s good for the 3 days I wear it before rotating out to a different watch. Well like all automatic watches just wearing does not always wind the watch, its wrist activity that winds the watch. But even if worn regular at say a less active job, no harm whatsoever to give a full manual wind say once a week or so, just to keep mainspring at peak power-reserve. __________________ 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." Second in command CEO and left handed watch winder 2023 Pledge Member Join Date: Jan 2018 Location: Florida Watch: Submariner Posts: 5,709 I dont think I ever get 48 hours of power reserve from my Submariner. I could wear it 5 days straight, swap it out for a different watch (manual wound Speedmaster), and then at about 30 to 35 hours later, its out of gas. A couple of factors: 1) I basically sit in an office all day and dont do anything physical during the day. 2) I take my watch off at night. So its idle every night from 10:00 PM to about 8:00 AM in the morning. 3) When I do workout, which I do on a daily basis, I wear my Apple Watch instead. So thats usually another hour or so of inactivity. Im guessing that my Submariner is never fully wound when I decide to swap it out for a couple days or so. Im not really concerned about it. Sent from my iPhone using Tapatalk "TRF" Member Quote: Originally Posted by cronos I wound my BB 58 30 times and put it back in its case and found that it had stopped after 34 hours and 20 minutes so I wound it 80 times and it lasted 60 hours and 40 minutes. How many times do I have to wind it to get 70 hours of power reserve? 89 and 1 half turn should do it "TRF" Member Join Date: Apr 2023 Location: USA Posts: 1 Tudor BB I had the same issue. After I got my Tudor BB ref# M79230R-0011, I decided to give a power reserve test. I turned the crown 30 times as suggested on the website but the watch died after exactly 36 hours and 20 minutes. Now, I turned the crown 60 times, let's see how long until it dies. Btw, has anybody experienced clicking action when turning the crown clockwise? Generally, the action is smooth but I still feel these fine clicks. Is this normal with this kind of movement? "TRF" Member Join Date: Apr 2020 Location: Boston area Watch: DJ 36, Nomos Ahoi Posts: 241 If you want to fully wind most autos just keep cranking them for a minute or 2 dont worry about counting. You cant overwind like a manual wind (and for a manual wind youll feel when to stop). For some autos you can hear a diffence when its fully wound if you listen closely because you can hear the thing that prevents you from overwinding. For me, when I wake up Iike to flick the watch a few times to feel the rotor spin while charging it. 2023 Pledge Member Join Date: Feb 2020 Real Name: Matt Location: . Watch: PAM111 Posts: 2,410 Quote: Originally Posted by harizanoff Btw, has anybody experienced clicking action when turning the crown clockwise? Generally, the action is smooth but I still feel these fine clicks. Is this normal with this kind of movement? Hi and welcome to the forum. I think the clicking you are describing is a protective measure when the mainspring is fully charged: a kind of feedback to let you know to stop winding. It goes back to being smooth when it could use a little charging. I’ve only noticed it with this movement. So nothing to worry about.Rolex Forums - Rolex Watch Forum > Rolex & Tudor Watch Topics> Rolex General Discussion 
How many turns does it take to fully wind a Tudor Black Bay 58?
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