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.

Content
1 x 031961 tubes 4,0x2,50 Old
1 x 031963 tubes 4,0x2,50 Old
1 x 031964 tubes 4,0x2,50 New
1 x 031962 tubes 4,0x3,00 Old
1 x 031965 tubes 4,40x3,00 Old
1 x 031966 tubes 4,40x3,00 New
1 x 031967 tubes 5,00x3,00

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