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This is a genuine specification escape wheel for the Tissot Caliber C01.211 automatic chronograph movement, part number T230038921. Developed by ETA in 2008 for Tissot, the C01.211 movement was based on the legendary Lemania 5100 design, featuring 13.75‴ (31mm) diameter and 8.44mm height, operating at 21,600 vph with a power reserve of approximately 45-46 hours.
As a core component of this movement, the escape wheel works with the pallet fork to convert gear train energy into precise oscillating beats, controlling timekeeping accuracy. Consistent with the C01.211‘s inherent design language, this part is manufactured from high‑performance synthetic material to OEM specifications, ensuring structural stability and precise gear engagement. When the original escape wheel becomes worn, has deformed teeth, or breaks — causing the movement to stop, lose accuracy, or exhibit low amplitude — replacing it with this OEM‑spec part is the critical step toward restoring full chronograph function.
OEM‑Specification Replacement – Designed specifically for the Tissot C01.211 chronograph movement, with dimensions and tooth geometry matching factory standards for a perfect fit.
Escapement Core – The final link in the power transmission chain, converting gear train energy into stable escapement pulses that directly control timekeeping stability and accuracy.
High‑Performance Synthetic Material – Manufactured to OEM specifications using high‑performance synthetic material, ensuring structural stability and precise gear engagement, fully consistent with the movement’s design language.
Optimized for C01.211 – The C01.211‘s escapement uses a hybrid design of synthetic material and metal pivots; this part is fully compatible with that system.
Essential for Service – When the escape wheel becomes worn or damaged, causing the movement to stop, lose accuracy, or exhibit low amplitude, replacing this part is the preferred solution to restore full movement function.
| Parameter | Details |
|---|---|
| Part Name | Escape Wheel |
| Part Number | Tissot / ETA C01.211-710 / T230038921 |
| Compatible Movement | Tissot Caliber C01.211 (ETA C01.211) automatic chronograph |
| Movement Specifications | Diameter 31mm / 13.75‴, height 8.44mm, frequency 21,600 vph (3 Hz), 15 jewels, approx. 45-46 hours power reserve |
| Escapement Feature | Synthetic escape wheel + metal pivots; no traditional pallet stones |
| Function | Escapement power transmission, controls timekeeping accuracy and chronograph function |
| Origin | Switzerland (movement) / Manufactured to OEM specifications |
| Condition | Brand new |
Tissot Caliber C01.211 automatic chronograph movement (found in Tissot Couturier, PRC 200, T-Race, Seastar 1000, Carson Chronograph, etc.).
Repair of movement stoppage, severe timekeeping errors, very low amplitude, or unusual escapement noises.
Replacement of escape wheels with worn, broken, or deformed teeth to restore escapement efficiency and timekeeping accuracy.
Replacement of escape wheels found worn or damaged during routine service.
1. Is this a genuine Tissot/ETA escape wheel?
This is a high‑quality OEM‑specification replacement part, not an official factory original, but its dimensions, tooth geometry, and material are manufactured strictly to C01.211 movement standards for direct replacement.
2. What is special about the C01.211 escape wheel?
To control costs, the C01.211 movement uses a high‑performance synthetic escape wheel with metal pivots and no traditional pallet stones. The friction characteristics of this design differ from all‑metal escapements, requiring special care during servicing and lubrication.
3. What are the symptoms of a damaged escape wheel?
English：Typical symptoms include: the movement stops completely or runs intermittently; greatly increased timekeeping error; very low amplitude (typically below 200 degrees); irregular or abnormal ticking noise from the escapement; chronograph function abnormal.
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