Timepiece comprising a rotatable bezel
AssigneeETA SA Fabriques d'Ebauches
InventorsJean-Philippe Rebeaud, Beat Gilomen
Life of this patent
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Abstract
A timepiece includes a case (2), a crystal (10) fixedly mounted on the case (2) and a rotatable bezel (16) guided in rotation relative to the crystal (10) and said case (2), said bezel (16) furthermore being associated with a ratchet mechanism (M) and is characterized in that said bezel (16) includes sealing means (36, 40) against solid impurities, such means being intended to isolate at least the ratchet mechanism (M) from the exterior and to prevent solid impurities from becoming embedded at least between said bezel (16) and the crystal (10) and in that it additionally includes means (24, 44) enabling the driving of such impurities towards the exterior of the timepiece.
Claims12
A timepiece comprising a case, a crystal having a lower part fixed to the case and an upper visualization part visible from the exterior of the timepiece, a ratchet mechanism, and a rotatable bezel associated with said ratchet mechanism and guided in rotation relative to the crystal and to said case, said bezel including sealing means for isolating at least the ratchet mechanism from the exterior and preventing solid impurities from becoming embedded at least between said bezel and the crystal, said sealing means comprising an annular groove formed between the upper part of the crystal and an corresponding upper part of the bezel, said groove being open and flared towards the exterior of said timepiece and enabling driving such impurities towards the exterior of the timepiece.
Dependencies are inferred from the claim text.