Producing functional element e.g. crown for wrist-watches, comprises thermally treating a blank of the functional element, and subjecting blank to carbon diffusion in salt melt, where blank is made of titanium-containing steel alloy
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Mechanical lift for wristwatches and wristwatch with such a lift
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Watch case and wristwatch provided with such a case
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Method for producing a functional element for wristwatches with hardened surface
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Method for producing a functional element for wristwatches
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Crown for timepiece, in particular wristwatch or pocket-watch, and tool for fixing a screwing tube for a crown assembly to a watch case
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Case for wristwatches
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Actuating or control element for watches, in particular wristwatches
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Actuating or control element for watches, in particular wristwatches