I think it was used by Rolex and Tudor in early fifties.
Tudor used also another band : The Tudorflex by Rolex.
Here some pics.
Guillaume
from Tudor site
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![[linked image]](http://i565.photobucket.com/albums/ss98/ggwilliam/TUDOR%20BNGE/p5.png)
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With my 7809 (1952) and same 390 cal
[IMG]
![[linked image]](http://i565.photobucket.com/albums/ss98/ggwilliam/TUDOR%20BNGE/P1010460.jpg)
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The tudorflex
[IMG]
![[linked image]](http://i565.photobucket.com/albums/ss98/ggwilliam/TUDOR%20BNGE/BlshBywmkKGrHqIH-DgEtrfPTkFBLct-zWq.jpg)
[/IMG]
[IMG]
![[linked image]](http://i565.photobucket.com/albums/ss98/ggwilliam/TUDOR%20BNGE/BlshHtgCGkKGrHqIH-CwEtqyCo7BoBLctDd.jpg)
[/IMG]
[IMG]
![[linked image]](http://i565.photobucket.com/albums/ss98/ggwilliam/TUDOR%20BNGE/BlshJwwmkKGrHqIH-CwEtqyCo7BoBLctJct.jpg)
[/IMG]
[IMG]
![[linked image]](http://i565.photobucket.com/albums/ss98/ggwilliam/TUDOR%20BNGE/8930b370.jpg)
[/IMG]