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Top-tier supplier movement
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
40 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.
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Authentication
The mountain silhouette at 6 o'clock is the Alpiner 4 identity marker; the AL-525 is ETA 2892-based and this is visible and verifiable through the caseback.
Known issues in the market
- The ETA 2892 architecture is common and well-documented; any Alpiner 4 with a different movement layout has a service replacement with a non-genuine caliber.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| dial | Mountain silhouette at 6 o'clock | Mountain silhouette logo present at 6 o'clock on most Alpiner 4 dial variants | Missing mountain silhouette; wrong reference or non-genuine dial |
| movement | ETA 2892-A2 movement architecture | ETA 2892-A2 movement layout visible through caseback; Alpina-finished rotor | Non-ETA-2892 movement architecture; non-genuine movement swap |
| caseback | Alpina signed caseback | Alpina signed caseback with correct reference number | Generic caseback or non-matching reference number |
Common legitimate replacements
- Crystal; sapphire standard.
- Crown; Alpina-signed.
Expert resources: Alpina authorized service; Alpina Alpiner 4 product documentation.
Authentication guide
Last reviewed June 2026
The Alpiner 4 is built around the AL-525 movement and the four-pillar specification: anti-magnetic, water-resistant, anti-shock, anti-reflective. All four pillars are printed on the caseback.
Sources: Alpina Alpiner 4 product page.





