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Marrk · 18 March 2009, 04:31 PM

My car has a VIN number on the chassis and a serial number on the engine block. It also has a serial number on the transmission. If I had the proper documentation, I could establish that my car was "all original."

Rolex watches have a case number, but, as far as I know, no movement number. ¿Por que?

Andad · 18 March 2009, 04:37 PM

Mine have it stamped on the engine block.

Example on GMT.

padi56 · 18 March 2009, 06:57 PM

Every Rolex movement has a unique number thats stored now on computer data base by Rolex. And would expect now that all Rolex movements are COSC tested the COSC would have a record of movement number too.

Marrk · 19 March 2009, 02:54 AM

Thanks Eddie and Padi. Great picture, Eddie!

I wonder why no one talks about movement numbers.

And why vintage collectors have to "guess" whether a watch is all original or has had its parts swapped out.

And why does an RSC standard service note the case number and the calibre number and the reference number, but not the movement number?

YewchD · 19 March 2009, 03:14 AM

Isn't the caliber number the movement number? If not, what is caliber? Pardon my ignorance...

Marrk · 19 March 2009, 03:21 AM

Calibre is the type of movement, not the specific, individual copy of it.

Example: cal. 3135 is in lots of Rolex models. The 3135 in your watch (according to the above info) has a specific number.

Does that make sense?

padi56 · 19 March 2009, 03:52 AM

Quote:

Originally Posted by Marrk

Thanks Eddie and Padi. Great picture, Eddie!

I wonder why no one talks about movement numbers.

And why vintage collectors have to "guess" whether a watch is all original or has had its parts swapped out.

And why does an RSC standard service note the case number and the calibre number and the reference number, but not the movement number?

Not much point in talking movement numbers if you have not the movement data to go with it.The Calibre number is what most collectors look for in vintage watches. Mainly to match serial with Reference number and Cal for a particular year for said watch that data we do have.

18 March 2009, 04:31 PM	#1
Marrk "TRF" Member Join Date: Mar 2008 Real Name: Mark Location: Los Angeles Watch: 5513 Posts: 2,192	Case Number and . . . Movement Number? My car has a VIN number on the chassis and a serial number on the engine block. It also has a serial number on the transmission. If I had the proper documentation, I could establish that my car was "all original." Rolex watches have a case number, but, as far as I know, no movement number. ¿Por que?

18 March 2009, 04:37 PM	#2
Andad 2024 SubLV41 Pledge Member Join Date: Nov 2006 Real Name: Eddie Location: Australia Watch: A few. Posts: 37,533	Mine have it stamped on the engine block. Example on GMT. Attached Images __________________ E

18 March 2009, 06:57 PM	#3
padi56 "TRF" Life Patron Join Date: Jun 2005 Real Name: Peter Location: Llanfairpwllgwyng Watch: ing you. Posts: 53,062	Every Rolex movement has a unique number thats stored now on computer data base by Rolex. And would expect now that all Rolex movements are COSC tested the COSC would have a record of movement number too. __________________ ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder

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19 March 2009, 02:54 AM	#4
Marrk "TRF" Member Join Date: Mar 2008 Real Name: Mark Location: Los Angeles Watch: 5513 Posts: 2,192	Thanks Eddie and Padi. Great picture, Eddie! I wonder why no one talks about movement numbers. And why vintage collectors have to "guess" whether a watch is all original or has had its parts swapped out. And why does an RSC standard service note the case number and the calibre number and the reference number, but not the movement number?

19 March 2009, 03:14 AM	#5
YewchD Member Join Date: Mar 2009 Real Name: Darryl Location: Phoenix Watch: Subs 5513 & 16613 Posts: 33	Isn't the caliber number the movement number? If not, what is caliber? Pardon my ignorance...

19 March 2009, 03:21 AM	#6
Marrk "TRF" Member Join Date: Mar 2008 Real Name: Mark Location: Los Angeles Watch: 5513 Posts: 2,192	Calibre is the type of movement, not the specific, individual copy of it. Example: cal. 3135 is in lots of Rolex models. The 3135 in your watch (according to the above info) has a specific number. Does that make sense?

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