Is it a problem-Power Reserve

[sachit]

After 25turns and wearing it for 1hr my 116610LN gave me 41hrs of power reserve ? Should I have it checked in the service centre ?

[WS9D]

ummmmmm....

That sounds like it's running just fine. If you give it 40 FULL winds (the crown is making one full turn) then you will get around 48 hours.

[Panych]

Originally Posted by sachit

After 25turns and wearing it for 1hr my 116610LN gave me 41hrs of power reserve ? Should I have it checked in the service centre ?

In my view, it is not normal. I would check it in the SC.

[cop414]

25 turns isn’t going to give you full power reserve, try 40 winds at least then check your PR.

[WS9D]

Originally Posted by Panych

In my view, it is not normal. I would check it in the SC.

How so? A fully wound sub will give about 48 hours PR. If he's only giving it a half wind and getting 41 hours, his watch is working just fine.

[sachit]

Originally Posted by cop414

25 turns isn’t going to give you full power reserve, try 40 winds at least then check your PR.

So I give 40 full turns and then keep it at rest then check ?


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[sachit]

Originally Posted by Panych

In my view, it is not normal. I would check it in the SC.

What makes you say that ?


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[icnbne]

Just wear the watch..

[WS9D]

Originally Posted by sachit

What makes you say that ?

What ever his reasonings are, my opinion he is wrong. If you are getting 41 hours with 25 winds, your rolex is fine.

Originally Posted by sachit

So I give 40 full turns and then keep it at rest then check ?

Yes. Just make sure you're giving full winds. a lot of people short change themselves on the turns. They think they are doing it 40 times, but because they are not full turns, they may actually only be doing 30 turns.

Im sure you will see you'll get closer to 50 hours. Most of my rolex go over the 48 hour mark.

good luck I wouldn't worry.

[cop414]

Originally Posted by sachit

So I give 40 full turns and then keep it at rest then check ?


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Yes

[haven_seeker]

I got about 45 hours of reserve from full to empty.

[Dirt]

Sounds like it's within the normal spectrum.

[Panych]

Originally Posted by Ks6pd

How so? A fully wound sub will give about 48 hours PR. If he's only giving it a half wind and getting 41 hours, his watch is working just fine.

You are right, it is my mistake. Should have been more attentive - I thought 4 hours instead of 41

[burnthesehills]

Sounds pretty normal.

[Amg7861]

I’m pretty sure the instruction booklet for my Milgauss states giving it 20 or 30 turns. I assumed this meant the reserve would be on full.


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[Ian Macdermott]

Originally Posted by Panych

In my view, it is not normal. I would check it in the SC.

Good grief.

[sachit]

Tested..45 turns(@rest)...47hrs ..Is it ok?

[Dsmith1974]

I always thought it was 40 turns. Try it, you can’t over wind it as a clutch kicks in.

[sachit]

Originally Posted by Dsmith1974

I always thought it was 40 turns. Try it, you can’t over wind it as a clutch kicks in.

Already tried.. Got 47hrs after 45turns

[watchmaker]

Originally Posted by sachit

Already tried.. Got 47hrs after 45turns

There’s no problem with your power reserve based on your finishing.

[Tools]

Originally Posted by Amg7861

I’m pretty sure the instruction booklet for my Milgauss states giving it 20 or 30 turns. I assumed this meant the reserve would be on full.

This is an incorrect assumption. 20 winds is to get the watch into the middle of the power curve where it is designed to operate most accurately.

Further activity while wearing may increase it (top-it-off), or keep it at that mid-power range.

Winding it fully, then wearing it as an active person, will simply spin the mainspring in the barrel, incurring extra unnecessary wear.

[77T]

While 20 winds will get you going, I am still an advocate of 40 full rotations of the crown. Despite any fear of excessive wear, it isn’t really an issue.

First off, you will always have the mainspring and barrel replaced upon servicing by Rolex or an honest certified watchmaker. So it’s considered a wear & tear item to begin with.

Second, due to the way Rolex has built the automatic rotor’s reversing gears, the pressure on the mainspring isn’t huge - not as great as winding it 100 times by hand for example. But no worries, there’s a protective clutch to avoid damage.

The mainspring is designed with a slipping clutch type of connection with notches on the inner wall of the barrel. That section is also called the bridle and watchmakers adjust that tension so it doesn’t slip too soon (aka creeping along the barrel wall).

When properly adjusted, the bridle holds the mainspring against the barrel wall. When the mainspring is fully wound, and you keep turning the crown, that force is stronger than the tension of the bridle spring against the barrel wall. It is designed to slip loose to avoid too much pressure on the mainspring.

While the rotor will continue working even after the mainspring is fully wound, the pressure that the reverser gears may exert would still be released via the clutching action.

The bridle must grip the barrel wall with just the right force to allow the mainspring to tighten fully for maximum power reserve, but not overwind. If it grips too loosely, the bridle will begin to slip before the mainspring is fully wound, a defect known as ‘mainspring creep’ which results in a shortened reserve power time.

But don’t worry about wearing out your mainspring or barrel in a modern Rolex - it’s built to be slipped in regular use.


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[Verdi]

Originally Posted by sachit

Tested..45 turns(@rest)...47hrs ..Is it ok?

yes, nothing to worry about

[Muxi]

Yes on the 40 full turns. I notice that winding from wrist motion takes a lot longer and more activities to fully wind the watch.

[dcash0615]

Originally Posted by icnbne

Just wear the watch..

I agree. No issue here.

[seasubmariner]

Originally Posted by Tools

This is an incorrect assumption. 20 winds is to get the watch into the middle of the power curve where it is designed to operate most accurately.

Further activity while wearing may increase it (top-it-off), or keep it at that mid-power range.

Winding it fully, then wearing it as an active person, will simply spin the mainspring in the barrel, incurring extra unnecessary wear.

Makes sense! I was also thinking similar by winding it 20 times before wearing the watch, so this half winding would give more suspension to the mainspring and also will give more chance for the movement to discharge and recharge itself.

[LandWatch]

Originally Posted by sachit

Already tried.. Got 47hrs after 45turns

For your next experiment ... try 48 turns!

Second thoughts, just wear and enjoy the watch!!

[Rori]

Your watch is more than perfect.


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