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Genuine ETA 7750-1428 Stop Click, Made in Switzerland, brand new — the original factory locking click for the ETA/Valjoux 7750 chronograph movement. Locks the crown and setting mechanism in fixed positions, prevents unwanted rotation, and provides tactile click feedback. An essential replacement part for worn or fatigued stop clicks. Original ETA part.
| Parameter | Value |
|---|---|
| Brand | ETA (Swatch Group) |
| Part Number | 7750-1428 |
| Component | Stop Click |
| Compatibility | ETA/Valjoux 7750 Chronograph Movement |
| Origin | Made in Switzerland |
| Type | Original Factory Part (Genuine ETA) |
| Condition | Brand New |
Q1: Is this a genuine ETA part?
A: Yes — genuine ETA 7750-1428 Stop Click, Made in Switzerland, brand new. Original factory part from ETA (Swatch Group). Not a generic or replica.
Q2: How do I confirm this fits my movement?
A: Confirm your movement is an ETA/Valjoux 7750 chronograph. Common applications: IWC Portugieser Chronograph, Omega Speedmaster, Tag Heuer Monaco, Breitling Navitimer.
Q3: What does the Stop Click do?
A: The Stop Click (7750-1428) is a spring-loaded locking click that (1) locks the crown and setting mechanism in fixed positions during operation, and (2) produces a click sound confirming positive locking. Without it, the crown could drift and cause chronograph malfunction.
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