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JackHerer · 31 August 2006, 02:00 PM

Are all Rolex watches zenith movement or is this the old movement???

Gedanken · 31 August 2006, 02:16 PM

The Zenith El Priomero movement succeeded the Valjoux 72 in the Daytona, and in 1999, if I recall correctly, was finally replaced by the first in-house Daytona movement the caliber 4130.

The Daytona was the last model in Rolex's lineup to use a non-Rolex movement. Currently, all their models have their movements made in-house.

pensivedoc · 31 August 2006, 05:07 PM

Quote:

Originally Posted by Gedanken

The Zenith El Priomero movement succeeded the Valjoux 72 in the Daytona, and in 1999, if I recall correctly, was finally replaced by the first in-house Daytona movement the caliber 4130.

The Daytona was the last model in Rolex's lineup to use a non-Rolex movement. Currently, all their models have their movements made in-house.

Interesting, I love posts like this b/c it's a discreet enough amount of data that I might actually retain it.

padi56 · 31 August 2006, 05:50 PM

James is 100% correct but will add Zenith could not,or would not, supply the movements to Rolex.So it was a case of having to make there first ever Chrono movement.Now Rolex's made a modification to the base Zenith chronograph movement, where in addition to reducing the beat rate,from 36000 BPS to 28800 BPS they discarded the regulator and installed there own vastly larger Microstella balance wheel,and regulator.The Zenith powered Daytona is now a very collectible watch.

Gedanken · 31 August 2006, 09:07 PM

Quote:

Originally Posted by pensivedoc

Interesting, I love posts like this b/c it's a discreet enough amount of data that I might actually retain it.

Well Jason, write enough psych reports will easily teach one to be succinct.

Welcome back again, by the way - we don't see you here often enough!

Gedanken · 31 August 2006, 09:09 PM

Quote:

Originally Posted by padi56

James is 100% correct but will add Zenith could not,or would not, supply the movements to Rolex.So it was a case of having to make there first ever Chrono movement.Now Rolex's made a modification to the base Zenith chronograph movement, where in addition to reducing the beat rate,from 36000 BPS to 28800 BPS they discarded the regulator and installed there own vastly larger Microstella balance wheel,and regulator.The Zenith powered Daytona is now a very collectible watch.

Oh yeah, that too!

Prince · 31 August 2006, 09:27 PM

Quote:

Originally Posted by padi56

...The Zenith powered Daytona is now a very collectible watch.

Exactly! One of the reasons I bought my Zenith-powered Daytona!

31 August 2006, 02:00 PM	#1
JackHerer "TRF" Member Join Date: Aug 2006 Location: T.O Posts: 62	What is Zenith movement Are all Rolex watches zenith movement or is this the old movement???

31 August 2006, 02:16 PM	#2
Gedanken "TRF" Member Join Date: May 2005 Real Name: Sir Location: Melbourne Watch: F-series SD Posts: 8,589	The Zenith El Priomero movement succeeded the Valjoux 72 in the Daytona, and in 1999, if I recall correctly, was finally replaced by the first in-house Daytona movement the caliber 4130. The Daytona was the last model in Rolex's lineup to use a non-Rolex movement. Currently, all their models have their movements made in-house. __________________ You buy a Casio to make sure you're on time; you wear a Rolex because you don't have to be on time.

31 August 2006, 05:50 PM	#4
padi56 "TRF" Life Patron Join Date: Jun 2005 Real Name: Peter Location: Llanfairpwllgwyng Watch: ing you. Posts: 53,041	James is 100% correct but will add Zenith could not,or would not, supply the movements to Rolex.So it was a case of having to make there first ever Chrono movement.Now Rolex's made a modification to the base Zenith chronograph movement, where in addition to reducing the beat rate,from 36000 BPS to 28800 BPS they discarded the regulator and installed there own vastly larger Microstella balance wheel,and regulator.The Zenith powered Daytona is now a very collectible watch. __________________ 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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