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The Radiomir 1940 PAM 574 makes link the most of link its non-wire lug case, opting for the slightly more modern-looking welded lugs to give a more purposeful appearance. With a 42mm case diameter, the PAM 574 is a reduction in size from the traditional Panerai dimensions by two millimeters. This change combined with its gorgeously slim profile make this link Italian model a real gem.

There’s an obvious physical distinction between Hesalite and sapphire, but beyond the material properties, there's a spiritual difference. All link of the Speedmasters that went to the Moon, and even the Speedmaster that famously timed the 14-second burn that saved the crew of link Apollo 13 (earning Omega the "Silver Snoopy Award") were link models with Hesalite crystals.

Things gradually began to change as clocks became smaller and smaller link and transitioned to becoming watches. For one thing link iron which link had also been used for early tower clock movements was gradually replaced by brass which was usually given a gilt coating in order to discourage corrosion. The first generation of real portable watches featured movements given some degree of decoration almost immediately and in particular the balance cocks tended to be elaborately engraved.