The Silvertech scales were first introduced in 2008 Catalogs. They are transparent scales with silver paint backing and are different from the normal transparent scales which are sometimes available for sale as replacement parts.
The Silvertech scales have been used for popular models such as the Signature Lite, MiniChamp, Spartan, Climber, Huntsman and SwissChamp.a
Spartan in Silvertech scales:
Victorinox 2008 Catalog