copper and glucinum stainless, a non-magnetic alloy used in watchmaking for internal parts. Anti-magnetic alloy that expands very little when exposed to heat. Commonly used for watch balances.

Posted by:Jason Pitsch

A former Fortune 100 executive who left the corporate world to found Professional Watches. He's obsessed with aesthetics, quality, precision, horology, and watch brands that transcend time. (Article archive.)