MartynJC (UK)

http://www.horologycrazy.com/2010/12...ry-change.html

Originally Posted by Chris_in_the_UK

Found these when I was looking for some other pic's - thought it might be worth a repost since is was a while ago

Cost? - The price of a battery (£3).

For those brave enough to change the battery on their X33 - it's really simple :)

Here we have our X33 which is in need of a battery change.:mad:



The case back has a number of small screws around the outside

...

Originally Posted by MartynJC (UK)

I have given in and now have a Sea Dweller 4000 (Basel 2014) version. So now have three divers from Rolex. I'll try and do an in-depth comparison with my 16660 by in the meantime here are some comparison pictures:

SDc4000 vs SubNDc




and here


SDc4000 vz SD16660

...

Originally Posted by MartynJC (UK)

Fir the accuracy WIS: Here are results for my PO 8500 consistently +3.1sec/day - consistent with confidence level of .9921 (R2). I am impressed by the consistency which is the mark of a true Chronometer.



So - If this were yours - would you get it regulated to get rid of the +3sec per day to bring it to +0.1sec per day??