• Tired of adverts on RWI? - Subscribe by clicking HERE and PMing Trailboss for instructions and they will magically go away!

Problem with black bay movemen

brandan_20

Active Member
19/10/11
396
30
28
So I got a black bay then ordered a gen naoto strap for but soon discovered a problem. The movement was done and since I had a Swiss 2824 new movement sitting around I thought great. Swapped the movements and looked good when I ran it my bench. Then I cases it and stops within minutes. I uncase and it runs fine. Any experts out there to point me in the right direction?


Sent from my iPad using Tapatalk
 

occb2

Super Moderator
Staff member
Global Moderator
Certified
10/6/14
14,018
4,053
113
Check your hand clearances.
 

Stuvetjee

For all your RM Strap and Jewelry needs!
Vendor (Strap Maker)
Moderator Sales
Section Moderator
Certified
3/3/14
11,626
5,087
113
NL / Schweizer
any pics you can provide us?
 

brandan_20

Active Member
19/10/11
396
30
28
Thanks everyone for your input. I will remove the hands and remount them tonight.
 

brandan_20

Active Member
19/10/11
396
30
28
So I remounted the hands and same problem. Rubs for some 40 hours on the desk on the movement holder but as soon as it's cased it stops within a minute

Sent from my Nexus 5X using Tapatalk
 

psychom3

Renowned Member
3/3/09
527
0
16
This may sound strange. I had a movement go wonky on me in a BB so I replaced it with a clone and had the same issue you did, uncased fine, cased quit after a short time. Checked the hands and no issues. Oddly enough about the 5th time I cased the movement I reduced the tension on the movement holder straps (they are the odd long hook type) and when this worked I actually bent the straps a tiny amount so that I could seat the screws but still have slightly less tension on the straps. While I suppose it is possible I change something else that I was unaware of that particular time I cased the movement all I know is the movement runs fine now and has for about two months, normally I don't keep my watches on a winder but I have kept that one on it just to satisfy my curiosity. It makes no sense but it worked for me.
 
D

d4m.test

Guest
There were quite a few BB with either the seconds or the minute hand touching the domed sapphire glass in some position, I suppose there is little clearance. It´s not visible or difficult to see because of the distortions. It might also explain the solution psychom3 found. Other solution might be to bend them down a bit.