Independents

The masters of skeletonized watches have once again fulfilled the horological dreams of clients by producing a new special model within the BENZINGER BOUTIQUE collection by GRIEB & BENZINGER. The BLACK TULIP is a fully masculine version of the legendary s...  

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Huge congrats to whoever that star is! Thanks for the news too Anths! Stephen

Even with blackened rubies - I wonder how they do that? Impressed. Andrew

... my copy of Daniels Watchmaking to see if that's the traditional method, Tom! Is that what they teach in watch making 101?! A

...would more accurately be described as black sapphires. Rubies and sapphires are chemically the same mineral (corundum), with different impurities giving them color (red corundum is ruby, all other colors are sapphire). Black sapphires are actually very... 

A short telephone call to Mr. Benzinger and the mystery is over. The rubies stay in place when the bridges and plates are coated with black PVD. Then the black PVD coating is removed from the active surfaces of the jewels by honing. Actually pretty simple... 

Well, I'm sure that makes a lot more sense then ordering such a small number of custom created black sapphires. Very interesting. Thanks for the info. Emil