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This original Cartier second wheel / fourth wheel is an OEM spare part for the Calibre 1904‑PS and 1904‑CH automatic movements. Designed for the small seconds display at 6 o’clock, it transmits power from the gear train to the seconds hand. Precise dimensions (3.35 mm / 3.5 mm) ensure a perfect factory fit.
Genuine Cartier OEM part – authentic, Swiss made.
Dual‑caliber compatibility – fits 1904‑PS (base) and 1904‑CH (chronograph).
Drives the small seconds hand at 6 o’clock – smooth, accurate indication.
Precision steel construction – durable and wear‑resistant.
Drop‑in replacement – exact fit for the 1904 gear train.
| Parameter | Value |
|---|---|
| Compatible calibers | Cartier 1904‑PS MC, 1904‑CH MC |
| Component | Second wheel / fourth wheel (for small seconds) |
| Dimensions | 3.35 mm / 3.5 mm |
| Material | High‑grade steel |
| Condition | Brand new, genuine OEM |
Direct replacement for a worn or damaged small‑seconds wheel during full service of Cartier Calibre 1904‑PS or 1904‑CH.
Suitable for Calibre de Cartier, Drive de Cartier, and other 1904‑based models with a 6 o’clock sub‑dial.
Professional watch repair and authorised service centres.
Q1: Is this a genuine Cartier part?
Yes, it is an authentic original OEM component.
Q2: Which calibers does it fit?
Cartier Calibre 1904‑PS and 1904‑CH (also compatible with other 1904 variants that have a small seconds display).
Q3: What are the dimensions?
3.35 mm and 3.5 mm (likely the heights of the two wheel pivots or the wheel itself). Always compare with your original part.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
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