Last updateTue, 17 Apr 2018 11pm

Cas-Ker Co. appointed exclusive U.S.A. distributor for Sigma Electronic

Mr. Antonio Sarais of Sigma Electronic of Biel/Bienne Switzerland has announced the Cas-Ker Company of Cincinnati, Ohio, has been appointed as its exclusive distributor in the United States. Sigma, founded in 1978, develops and manufactures testing instruments for the international watch industry.

CasKer-SeptSigma's water resistance testers feature automatic test start when closing the chamber and auto-positioning of the watch during the test. The units offer extremely simple operation and programming with 10 programmable single and double tests.

Model SM8850-10 tests pressure range from -0.7 vacuum up to 10 bar pressure. The tester is also available in 20, 30 and 50 bar pressure configurations. SM8850-50 tests up to 50 bar pressure when coupled with Sigma's pressure booster. All units require a compressor. The Pressure Booster SM-970034 provides a multiplier factor of 3.5 and is automatically regulated by the high-pressure water resistance testers.

Sigma has more than 40 years of dedication and professional experience in the field of water resistance testing. Newly developed instruments combine state of the art technology and modern design. With their extremely solid construction and high quality materials, all products are intended to last for many years. Competent technical support and excellent after sale service occupy a very important place in the company.


The Cas-Ker Company is a full service distributor to professional jewelers and watchmakers. They offer a wide selection of products and services including watch material, movements, crystals, Energizer batteries, tools, supplies, equipment and findings. For more information call 800-487-0408, fax 800-487-5848, e-mail This email address is being protected from spambots. You need JavaScript enabled to view it., or visit www.casker.com.