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This is a genuine Glashütte Original date wheel for Caliber 39, a precision German-made component designed to replace a worn or damaged original date display part. The date wheel is a core element of the calendar mechanism, responsible for accurately advancing the date at midnight, ensuring reliable calendar function. As an original factory part, it perfectly fits the Caliber 39 movement, making it an ideal choice for professional service and repair.
Genuine Glashütte Original Part – German factory-original, perfect fit for Caliber 39.
Calendar Mechanism Core – Advances the date accurately at midnight for reliable calendar display.
Precision Printing – Clear numerals, standard font, identical to original.
Essential for Service – Replace when date does not advance, jumps halfway, or numerals are worn/faded.
Compatible Movement – Designed for Glashütte Original Caliber 39 automatic (e.g., Senator series).
| Parameter | Details |
|---|---|
| Part Name | Date Wheel |
| Compatible Movement | Glashütte Original Caliber 39 automatic |
| Type | Genuine original |
| Function | Displays date through dial window |
| Origin | Germany |
| Condition | Brand new, genuine |
Glashütte Original Caliber 39 automatic (e.g., Senator, Pano models with Caliber 39)
Repair of date display faults: no advance, half‑jump, incorrect timing, or worn/faded numerals
Replacement of aged or damaged date wheels during movement service
1. Is this a genuine Glashütte Original date wheel?
Yes. It is a German factory-original part for Caliber 39, not a copy.
2. What are the symptoms of a damaged date wheel?
Symptoms: date does not change in the window; date jumps halfway (stuck between two numbers); date changes at the wrong time (not at midnight); faded, chipped, or worn numerals.
3. What should I pay attention to during installation?
Clean the calendar works before installation. Align the date wheel with its center pivot and mounting slots. Follow the Glashütte Original technical guide. Professional installation is strongly recommended.
4. Does this date wheel fit other Glashütte calibers like Caliber 100?
No. Different calibers have different date wheel dimensions and teeth – not interchangeable.
5. Is calibration required after replacement?
Yes. Test midnight advancement by advancing the time. Ensure the date wheel rotates smoothly without rubbing.
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