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This is a generic winding stem designed for the Vacheron Constantin Caliber 2450 self‑winding movement. Introduced in 2005 as Vacheron Constantin‘s first fully in‑house designed automatic movement, the Caliber 2450 measures just 3.6mm in thickness, beats at 28,800 vph (4Hz), and offers approximately 40 hours of power reserve. This winding stem connects the crown to the movement for manual winding, time setting, and date adjustment, making it an ideal replacement for worn or damaged original stems during movement service or repair.
Generic Replacement – Designed for Vacheron Constantin Caliber 2450; non‑original but matches OEM dimensions and thread specs.
Quality Steel – Durable and reliable for long‑term use.
Precision Machined – Accurately cut threads and shaft diameter for smooth engagement with the crown and keyless works.
Restores Core Functions – Replaces a damaged stem to restore normal manual winding, time setting, and date adjustment.
Cost‑Effective – More affordable than genuine parts, ideal for service and repair.
| Parameter | Details |
|---|---|
| Part Name | Winding Stem |
| Compatible Movement | Vacheron Constantin Caliber 2450 automatic (and platform derivatives) |
| Movement Specs | 3.6mm thick, 28,800 vph, approx. 40h power reserve |
| Type | Generic aftermarket |
| Material | High‑quality steel |
| Function | Connects crown to movement for manual winding, time setting, date adjustment |
Vacheron Constantin Caliber 2450 automatic movement (found in Patrimony automatic, Quai de l’Ile, Fiftysix collections, etc.).
Repair of stripped, bent, or broken original stems causing winding, setting, or date adjustment failure.
Preventive replacement during movement service.
1. Is this a genuine Vacheron Constantin winding stem?
No. It is a generic aftermarket replacement, not original, but manufactured to OEM specifications for the 2450 movement.
2. How do I know if the winding stem needs replacement?
Symptoms: the crown spins freely without winding; the hands do not move or the date does not change when the crown is pulled to the setting position; the stem is visibly bent or broken.
3. What should I pay attention to during installation?
Clean the keyless works before installation. Insert the new stem into the movement, ensuring the setting lever engages the stem‘s groove. Test smooth winding, setting, and date adjustment after installation. Professional help is recommended.
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