RX (Generic) Tube with Double Thread

A tube with double thread has two precise threaded areas. An external thread for secure screwing into the case and a front thread as a counterpart for the screwed crown.

This design ensures high stability, precise shaft guidance, and reliable water resistance.
• OLD: Tube in old form, suitable for older watch models
• OLD/NEW: Tube in new form, compatible with older watch models
• NEW: Tube in new form, for current watch models

As high-quality replacement parts, the replicas are marked with Generic and correspond to a carefully selected quality.

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