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Re: What are you working on now?
Posted: March 16th, 2022, 2:57 am
by Denis
Dear Friend I have one dilemma and please help and advise me because I haven't found a similar topic by now. A year ago I bought a perfect pocket cortebert cal. 620. I wanted to use it for 3646.
A long time ago I bought a case set from ebay seller tps-tempus for 3646 with black DLC coating for ut 6497. I used california dial but also there was a space for sandwich dial..
After years of using it I decided to take off DLC and change springs bar lugs with fix lugs..
I know that cortebert 620 is thinner than unitas 6497. Is it possible to put it in this case? Does anyone have similar experience or make adequate holder for cor.620. If I solve holder problem I will search for dial (posible a sandwich one) and blue hands, and new crown.
Re: What are you working on now?
Posted: March 16th, 2022, 9:10 am
by Yoda
I hate servicing quartz movements!
Re: What are you working on now?
Posted: March 16th, 2022, 12:10 pm
by Emilio
here, take a look at this table so you can decide more easily. It looks like you will need to use a shim to accommodate it.
http://homage-forum.com/viewtopic.php?t=3633
Denis wrote: ↑March 16th, 2022, 2:57 am
Dear Friend I have one dilemma and please help and advise me because I haven't found a similar topic by now. A year ago I bought a perfect pocket cortebert cal. 620. I wanted to use it for 3646.
A long time ago I bought a case set from ebay seller tps-tempus for 3646 with black DLC coating for ut 6497. I used california dial but also there was a space for sandwich dial..
After years of using it I decided to take off DLC and change springs bar lugs with fix lugs..
I know that cortebert 620 is thinner than unitas 6497. Is it possible to put it in this case? Does anyone have similar experience or make adequate holder for cor.620. If I solve holder problem I will search for dial (posible a sandwich one) and blue hands, and new crown.
Re: What are you working on now?
Posted: March 16th, 2022, 1:07 pm
by Denis
Thanks Emilio:) What is your opinion?Can I use 616 holder for 620?
Re: What are you working on now?
Posted: March 16th, 2022, 1:30 pm
by Emilio
Denis wrote: ↑March 16th, 2022, 1:07 pm
Thanks Emilio:) What is your opinion?Can I use 616 holder for 620?
the 616 is 1mm thicker, so it depends on the case/mid ring construction.
You might have problems with dial and bezel clearance.
Unfortunately, I don't own this case set so I can't confirm.
Maybe someone else can?
Re: What are you working on now?
Posted: March 16th, 2022, 1:35 pm
by Tanukjaju
Yoda wrote: ↑March 16th, 2022, 9:10 am
I hate servicing quartz movements!
They don’t make new ones anymore? I had a friend that was about to toss away his $800 quartz watch…. Dealer wanted $600 to service, we found a 1:1 quartz movement for $30
Re: What are you working on now?
Posted: March 16th, 2022, 2:18 pm
by Yoda
Tanukjaju wrote: ↑March 16th, 2022, 1:35 pm
Yoda wrote: ↑March 16th, 2022, 9:10 am
I hate servicing quartz movements!
They don’t make new ones anymore? I had a friend that was about to toss away his $800 quartz watch…. Dealer wanted $600 to service, we found a 1:1 quartz movement for $30
It is how it is, expensive watches and quartz movements for less than $50.
Re: What are you working on now?
Posted: March 18th, 2022, 10:38 am
by Denis
Re: What are you working on now?
Posted: March 18th, 2022, 12:30 pm
by sazabi2001
Alarm PAM.... Just try to make a thinner alarm mechanism for SF240 that can fit under the dial.
Currently, use Coke can to build and it seems to work, set the time clockwise, and set the alarm&clock anti-clockwise. Will use 0.1mm stainless steel sheet later on.

Re: What are you working on now?
Posted: March 25th, 2022, 10:21 am
by Denis
3603:) Ready for cleaning:)