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Old 5 March 2018, 02:48 AM   #1
jguerrad
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Back case CRS marking?

Hello Forum members, does anyone know the meaning (or purpose) of the C.R.S. marking on some of the Rolex back cases?
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Old 5 March 2018, 03:46 AM   #2
Richard Carver
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After a certain age Rolex allows watchmakers to mark watches they've worked on CRS (Can't Remember S**t ) so that QC knows to check for forgotten screws or whatever.
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Old 5 March 2018, 03:51 AM   #3
mag
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"The inside case back stamped CRS refers to the case maker Charles Renee Spielman with whom Rolex contracted cases for certain Daytona models"
(Source Bonhams dot com)

Greetings from Germany
MaG
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Old 5 March 2018, 04:29 AM   #4
jguerrad
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Quote:
Originally Posted by mag View Post
"The inside case back stamped CRS refers to the case maker Charles Renee Spielman with whom Rolex contracted cases for certain Daytona models"

(Source Bonhams dot com)



Greetings from Germany

MaG


MaG thank you very very much for the clarification, would you happen to know the period in which he made cases for Rolex?


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Old 5 March 2018, 06:21 AM   #5
mag
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> MaG thank you very very much for the clarification, would you happen to know > the period in which he made cases for Rolex?

I´m sorry, i don´t know the period and if Rolex made cases for the manual wind Daytonas in the last years. Maybe other members can tell you more about these
details
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Old 6 March 2018, 07:47 AM   #6
Vlad
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Quote:
Originally Posted by mag View Post
"The inside case back stamped CRS refers to the case maker Charles Renee Spielman with whom Rolex contracted cases for certain Daytona models"
(Source Bonhams dot com)

Greetings from Germany
MaG
Also, some Tudor cased were made by the same company
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Old 6 March 2018, 07:57 AM   #7
Vlad
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Quote:
Originally Posted by Richard Carver View Post
After a certain age Rolex allows watchmakers to mark watches they've worked on CRS (Can't Remember S**t ) so that QC knows to check for forgotten screws or whatever.
Awesome answer! +1
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