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This is a genuine setting lever designed for the ETA 2892 series automatic movement, with part number 2892-443, Article 6, Made in Switzerland. The setting lever is a core component of the keyless works, responsible for controlling the crown‘s pull-out and push-in positions, enabling precise switching between winding, time setting, and quick date adjustment via the clutch wheel.
As an original factory part, it is the ideal replacement for worn components during service or repair.
| Feature | Description |
|---|---|
| Compatible Movements | ETA 2892-A2, 2893 and derived calibers |
| Part Number | 2892-443 |
| Article Number | 6 |
| Part Name | Setting Lever |
| Core Function | Controls setting lever spring position – determines winding, date, or time setting position |
| Mating Parts | Works with setting lever spring, yoke, and clutch wheel |
| Material | High-strength steel, precision machined |
| Origin | Made in Switzerland |
| Product Type | Genuine ETA part |
ETA 2892 Technical Background:
| Parameter | Value |
|---|---|
| Movement Type | Self-winding mechanical |
| Diameter | 25.6 mm (11.5 lines) |
| Thickness | 3.60 mm |
| Jewels | 21 |
| Power Reserve | Approx. 42 hours |
| Frequency | 28,800 vph (4 Hz) |
| Instruction | Details |
|---|---|
| Primary Use | Core control component of the keyless works for precise crown position switching |
| Normal Operation | Pull crown to first position for date setting, second position for time setting; push back to winding position |
| Failure Symptoms | Worn setting lever causes vague position detents, slipping crown (auto return), or inability to switch functions |
| Maintenance Advice | Inspect setting lever hook grooves for wear during every 3-5 year movement service |
1. Remove Automatic Module:Remove the automatic winding module to access the keyless works
2. Remove Keyless Works Bridge:Loosen and remove the keyless works bridge screws
3. Remove Old Setting Lever:Loosen the retaining screw and carefully remove the old setting lever (2892-443)
4. Cleaning:Clean the mounting slot and setting lever pivot – remove old oil and debris
5. Inspect Spring:Check the setting lever spring for damage or deformation; replace if necessary
6. Install New Setting Lever:Place the new setting lever in position, ensure proper engagement with the spring, and tighten the retaining screw
7. Testing:Reinstall the keyless works bridge and test crown pull/push functions for smooth operation and distinct position detents
8. Final Confirmation:Verify a clear “click” feel when switching between positions – crown should not slip out
Important Note: The 2892 keyless works is precision-engineered – proper engagement between setting lever and spring is critical. Professional installation by a watchmaker is recommended.
| Aspect | Guidance |
|---|---|
| Inspection Period | Inspect setting lever hook grooves for wear during each movement service |
| Wear Indicators | Signs of wear include: vague position detents when pulling crown, slipping during time setting, or crown auto-return |
| Cleaning Method | Clean with isopropyl alcohol or specialized cleaning solution; do not soak. Ensure complete drying after cleaning |
| Lubrication | Apply microscopic lubricant to contact points between setting lever and spring |
| Replacement Interval | Replace immediately when wear or deformation is visible – otherwise damage to clutch wheel and setting lever spring may occur |
| Service Advice | ETA 2892 movements should be professionally serviced every 3-5 years |
Q1: Which ETA movements use the 2892-443 setting lever?
A: The 2892-443 setting lever is used in ETA 2892-A2, 2893 (GMT), and related calibers. It is not compatible with ETA 2824, 7750, or 2892-2 variants that use different keyless works.
Q2: What are the symptoms of a worn setting lever?
A: Typical symptoms include: no distinct “click” feel when pulling the crown to different positions, the crown automatically springs back to the winding position when trying to set the time, or difficulty switching between date and time setting functions.
Q3: Is this a genuine ETA part?
A: Yes, this is a genuine ETA factory part, made in Switzerland, and brand new. It is not an aftermarket or generic replacement.
Q4: Can I install this setting lever myself?
A: This repair requires movement disassembly and precise alignment of the keyless works. Professional installation by a watchmaker is strongly recommended.
Q5: What other parts should be inspected when replacing the setting lever?
A: It is recommended to inspect and replace the setting lever spring and clutch wheel at the same time, as wear is typically synchronized across these components.
Q6: What is the difference between the setting lever and the setting lever spring?
A: The setting lever is the metal lever that physically moves the yoke. The setting lever spring provides spring tension to hold the setting lever in its detent positions. Both work together to create the “click” feel when changing crown positions.
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