In 1950 Hamilton added a stainless steel model to it's CLD ("sealed") line up. The Steeldon was produced for only three years and ran until 1952. Several new CLD models were introduced in 1953.
The Steeldon featured a central sweep second hand, powered by Hamilton's 18 jewel, 8/0 sized 748 movement. Being in the CLD line, the watch featured several levels of gaskets that sealed the two-piece case as well as the stem and crown.
Two different dial patterns were available, the Rhodium-plated, solid 18K gold numerals on a sterling silver dial, or luminous numerals on a silver dial (with luminous hands to match).
Being stainless steel, the Steeldon is a rugged little watch and the only part that seems to wear is the glass crystal. Replacing the crystal is about the only thing needed when you're lucky enough to find a vintage Steeldon.
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