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Hi need help in were to sauce a stem for a old Rolex rolco do not know parts number as watch not arrived or how I would measure and work out thread size to make one

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Mercurial Member

Mercurial

Posted
Posted

We need to identify the movement to help you, but the oldest of these Rolco watches use Aegler-Rebberg movements that lack a calibre number and are very difficult to identify.

You may end up having to make or modify a stem to fit .

Post pictures of both sides of the movement when you have it and the size of the movement and hopefully it’s one that has a calibre number. 

Gruen used a lot of the same Aegler movements at the time and it’s worth comparing your movement with those if you can’t find it labeled as an Aegler or Rolex/Rolco calibre.

Best Regards,

Mark

 

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Neverenoughwatches Distinguished Member

Neverenoughwatches

Posted
Posted
18 minutes ago, Mercurial said:

We need to identify the movement to help you, but the oldest of these Rolco watches use Aegler-Rebberg movements that lack a calibre number and are very difficult to identify.

As far as i know there were only two rebberg designs, i have an image somewhere. 

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Mercurial Member

Mercurial

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Posted (edited)
19 hours ago, Neverenoughwatches said:

As far as i know there were only two rebberg designs, i have an image somewhere. 

I wish that was the case.

The Aegler movements used in the early days by Wilsdorf & Davis (for brands like Rolex and Rolco) came in several sizes and without designated calibre numbers that survive. 

They become a bit easier to identify during the 1920s.

Below is an Aegler-Rebberg, 25.74mm in diameter. It’s from a woman’s Rolex wristwatch.

Stamped Rebberg and 500 on the dial plate (but it isn’t a Rebberg 500, it’s the wrong size). 

I’d be interested if anyone can identify the movement. 

908CA2F9-A971-4FB0-97DC-97FBEB05BE50.thumb.jpeg.ec80f2a7e135f7977491f381612bff6c.jpegED1A181F-117D-4AD0-AC14-BFBB14AAB53C.thumb.jpeg.a481fd36a5bbfe1dc81101ae50fc8004.jpeg

249F4B90-8852-4BE1-A809-440C7C4AC2B0.thumb.jpeg.58b829fbae3a4e53f2ab3c8e153a4396.jpeg

It is based off the Aegler Nr.1, circa 1903, but they based many many calibres of different sizes on it.

The closest I have to a positive ID is the  ‘Rolex Nr.50’ circa 1917, but no dial side images or movement sizes are available in the references. There are identical looking movements in many sizes. 

The 25.74mm of this movement is a particularly strange size for the era, it equates to 11.41 lignes. 
 

A50419D1-FD18-4D3E-89E5-892CC3A8DB23.jpeg.d49284f6f025c3e7354f032a7f28a9d0.jpeg
 

Best Regards,

Mark

Edited by Mercurial
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Neverenoughwatches Distinguished Member

Neverenoughwatches

Posted
Posted
2 hours ago, Mercurial said:

I wish that was the case.

The Aegler movements used in the early days by Wilsdorf & Davis (for brands like Rolex and Rolco) came in several sizes and without designated calibre numbers that survive. 

They become a bit easier to identify during the 1920s.

Below is an Aegler-Rebberg, 25.74mm in diameter. It’s from a woman’s Rolex wristwatch.

Stamped Rebberg and 500 on the dial plate (but it isn’t a Rebberg 500, it’s the wrong size). 

I’d be interested if anyone can identify the movement. 

908CA2F9-A971-4FB0-97DC-97FBEB05BE50.thumb.jpeg.ec80f2a7e135f7977491f381612bff6c.jpegED1A181F-117D-4AD0-AC14-BFBB14AAB53C.thumb.jpeg.a481fd36a5bbfe1dc81101ae50fc8004.jpeg

249F4B90-8852-4BE1-A809-440C7C4AC2B0.thumb.jpeg.58b829fbae3a4e53f2ab3c8e153a4396.jpeg

It is based off the Aegler Nr.1, circa 1903, but they based many many calibres of different sizes on it.

The closest I have to a positive ID is the  ‘Rolex Nr.50’ circa 1917, but no dial side images or movement sizes are available in the references. There are identical looking movements in many sizes. 

The 25.74mm of this movement is a particularly strange size for the era, it equates to 11.41 lignes. 
 

A50419D1-FD18-4D3E-89E5-892CC3A8DB23.jpeg.d49284f6f025c3e7354f032a7f28a9d0.jpeg
 

Best Regards,

Mark

Thats interesting Mark, from something i read six months ago there were only two actual Rebberg labled movements. I have one if them in my stash, I'll dig it out later today. Inspired me to research some more now.

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Neverenoughwatches Distinguished Member

Neverenoughwatches

Posted
Posted
3 minutes ago, Mercurial said:

Here are 4 to get you started. 
 

Nr. 1 and Nr. 2, registered in 1903. 
8D9940AF-CCDA-4A6B-98F1-292F9BDA9508.thumb.jpeg.3ab477991d4da1e8a5f43007d752c2b0.jpeg

Nr. 52 and Nr. 53, registered in 1918. 
9BA578B9-B0E3-4551-AE57-BEEF5CC26BB3.thumb.jpeg.e58877b2a982abf6e295789cba8734e1.jpeg

Best Regards,

Mark 

Thats the same artical i read Mark, suggesting that 2 models were registered in 1918 and marked as Rebberg Dèposè on the movementa these two are usually known as the Aegler Rebberg. A little misleading but yes seems like there were more Rebberg calibers.

https://www.vintagewatchstraps.com/aegler.php#:~:text=The word Rebberg%2C the German,the Swiss register of trademarks.

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rjenkinsgb WRT Addict

rjenkinsgb

Posted
Posted

I recognised it (or thought I did) - it's virtually the mirror image of a Rolex Rebberg 600 I restored for a friend!

https://ranfft.org/caliber/9371-Rolex-600

 

It's easy to find photos of watches with the same movement you have - just search 1915 or 1920 Rebberg - but none of the watch listings I've found so far gives the calibre, unfortunately.

 

For a stem, I'd try a pack of mixed ones; try and find a suitable on to fit the sliding clutch, that you can then measure, and use them to gauge the diameter at the setting lever - or if you are lucky, there may be one that just works.

eg.

https://www.ebay.co.uk/itm/201125197829

 

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Mercurial Member

Mercurial

Posted
Posted (edited)


rjenkinsgb - these movements were made in many sizes.

The only way to definitely identify say a Rolex Rebberg 600 is to measure it. 

Best Regards,

Mark

Edited by Mercurial
fix typos
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