the room is a box containing dhorlogerie watch movement comprising a ring dhorlogerie mechanism with a cylinder ring; a piece of (31) which cooperate with a slug man hours (l) and equipped with a denture hours (32) able to cooperate with (c) a closed hours ago.an intermediate part (33) is pivotu00e9e concentrically to the exhibit hours (31) and is subject to a spring to maintain the support of a stop pin (g) connected to the attachment time (31).the intermediate part (33) comprises a toothed sector (34) with a pinion (35) attached to the cylinder (28) tree ring and pinion (35) includes a sector (36) without teeth.
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