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Generic Tudor 53003/74033/76213 Tube — aftermarket crown tube (pendant tube) compatible with Tudor reference models 53003, 74033, and 76213, featuring dual-thread design with M4.0 × 1.4 mm and M2.5 × 1.45 mm specifications. Provides secure crown attachment and waterproof sealing for Tudor watch cases. Brand new.
| Parameter | Value |
|---|---|
| Brand | Generic (Aftermarket) |
| Product | Crown Tube (Pendant Tube) |
| Compatibility | Tudor 53003, 74033, 76213 |
| Thread Specifications | M4.0 × 1.4 mm + M2.5 × 1.45 mm |
| Function | Crown Attachment, Waterproof Sealing |
| Condition | Brand New |
Q1: Is this a genuine Tudor OEM part?
A: No — this is a generic aftermarket crown tube compatible with Tudor 53003, 74033, and 76213 references. It is not manufactured by Tudor. The term “Tudor” refers to the compatibility with Tudor watch models, not the brand origin.
Q2: What Tudor models does this tube fit?
A: This crown tube is compatible with Tudor reference 53003, 74033, and 76213. These are Tudor watch model references. Always verify your Tudor watch reference number before purchase to ensure compatibility. The reference is typically engraved on the case back or found on documentation.
Q3: What does M4.0 × 1.4 + M2.5 × 1.45 mean?
A: These are thread specifications: M4.0 × 1.4 mm is the outer thread that screws into the watch case, and M2.5 × 1.45 mm is the inner thread where the crown stem passes through. This dual-thread design ensures the tube fits securely in the case while allowing proper crown operation.
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