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obstando · 13 April 2021, 06:48 PM

A Rolex in sheep's clothing? The history of Rolex is closely linked with Aegler who manufactured the watches for Rolex in the 1920s and 30s. Aegler manufactured watches for both Gruen and Rolex in their Bienne factory in Switzerland. Rolex and Gruen came to a mutual agreement with Aegler that Gruen would only sell their watches in the US whilst Rolex would sell to the rest of the world. In the 30s Gruen sold their shares back to Aegler and by 1936 Rolex had agreed to take the complete production of the Aegler factory. This watch has the same movement as the Rolex Prince (Calibre 877) and would easily be mistaken for it's more commonly seen relative. Known and promoted as a doctor's watch it was exceptionally accurate and was the first wristwatch movement to be officially chronometer-certified without being adjusted for the test. This particular watch is really a thing of incredible beauty and not bad for something around 90 years old!

RODDYJB · 23 April 2021, 01:18 AM

This was an interesting read, thank you.

Carbineman · 24 April 2021, 12:29 AM

Agree. I appreciate the history lesson. The movement is very cool!

spoilsofwar01 · 24 April 2021, 12:40 AM

Many thanks for the share, most informative,

Mike Wood · 26 April 2021, 08:38 PM

Shh! Don't let the secret out...the Gruen Duo-Dial is a Prince in disguise!

13 April 2021, 06:48 PM	#1
obstando "TRF" Member Join Date: Jan 2013 Location: Saudi Posts: 20	A Rolex in sheep's clothing A Rolex in sheep's clothing? The history of Rolex is closely linked with Aegler who manufactured the watches for Rolex in the 1920s and 30s. Aegler manufactured watches for both Gruen and Rolex in their Bienne factory in Switzerland. Rolex and Gruen came to a mutual agreement with Aegler that Gruen would only sell their watches in the US whilst Rolex would sell to the rest of the world. In the 30s Gruen sold their shares back to Aegler and by 1936 Rolex had agreed to take the complete production of the Aegler factory. This watch has the same movement as the Rolex Prince (Calibre 877) and would easily be mistaken for it's more commonly seen relative. Known and promoted as a doctor's watch it was exceptionally accurate and was the first wristwatch movement to be officially chronometer-certified without being adjusted for the test. This particular watch is really a thing of incredible beauty and not bad for something around 90 years old!

24 April 2021, 12:40 AM	#4
spoilsofwar01 "TRF" Member Join Date: May 2017 Real Name: "H" Location: England Watch: ing Rainclouds Posts: 1,437	Very Nice Many thanks for the share, most informative, __________________ "H" 5513 Submariner 1968 114270 Explorer 2005 Smiths W10 1968 Tissot Seastar 2011

23 April 2021, 01:18 AM	#2
RODDYJB "TRF" Member Join Date: Apr 2019 Location: CANADA / SCOTLAND Posts: 18	This was an interesting read, thank you.

24 April 2021, 12:29 AM	#3
Carbineman "TRF" Member Join Date: Mar 2021 Location: Wild West Posts: 25	Agree. I appreciate the history lesson. The movement is very cool!

26 April 2021, 08:38 PM	#5
Mike Wood "TRF" Member Join Date: Feb 2011 Real Name: Mike Wood Location: Liverpool UK Watch: Listen & Learn! Posts: 609	Shh! Don't let the secret out...the Gruen Duo-Dial is a Prince in disguise!

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