Alpina Seastrong AL-520BY4H6
42mm · Stainless Steel · Caliber AL-520 · 300m
Alpina Seastrong Diver 300 Heritage Black
Related references — same collection
Shared specifications help discovery; these links do not assert a predecessor or successor relationship.
Compare specifications
| Specification | AL-520BY4H6 | AL-520GR4H6 | AL-520G3VE6 | AL-525BBG4VR6 | AL-525G4H6 |
|---|---|---|---|---|---|
| Case diameter | 42mm | 42mm | 39 x 40.50mm | 42mm | 42mm |
| Case material | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
| Water resistance | 300m | 300m | 300m | 300m | 300m |
| Movement | Automatic | Automatic | Automatic | Automatic | Automatic |
| Caliber | AL-520 | AL-520 | AL-520 | AL-525 | AL-525 |
| Power reserve | 38 hours | 38 hours | 38 hours | 38 hours | 38 hours |
Sources & record notes
Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. The Watch Pages.
- The Watch Pages ↗ · 2026-09-21 15:35:05 JST
The Watch Pages · Alpina AL-520BY4H6
Original collection: Not recorded
Technical Specifications / Date Added: October 20, 2021 Technical Specifications / Reference: AL-520BY4H6 Technical Specifications / Brand: Alpina Technical Specifications / Case Size: 42mm Technical Specifications / Case Material: Stainless Steel Technical Specifications / Dial Color: Black Technical Specifications / Dial Finish: Sunray Technical Specifications / Movement: Automatic Technical Specifications / Caliber: AL-520 Technical Specifications / Power Reserve: 38 hours Technical Specifications / Water Resistance: 300m Technical Specifications / Strap Material: Leather Technical Specifications / Strap Color: Brown Technical Specifications / Buckle Type: Pin Technical Specifications / Style: Sporty, Vintage Technical Specifications / Sport: Diving Technical Specifications / Special Features: Luminescence, Water Resistant Technical Specifications / Complications: Central Seconds
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