Alpina · Seastrong
Alpina Seastrong Diver Extreme Automatic Alpina x The Real Time Show
Reference AL-520G3VE6 · Dive · 39 mm
Specifications
- Reference
- AL-520G3VE6
- Family
- Seastrong
- Category
- Dive
- Status
- Current
- Case material
- Stainless steel
- Case diameter
- 39 mm
- Case thickness
- 12.65 mm Official
- Lug-to-lug
- —
- Lug width
- —
- Water resistance
- 300 m
- Bezel
- Rotating, diver
- Calibre
- AL-520 (SW200 base) Official
- Power reserve
- 38 h
Official product page · retrieved October 25, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
No lug-to-lug figure exists for this reference yet, so fit cannot be computed.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
| Value | Type | Source | Date |
|---|---|---|---|
| 12.65 mm | Official | Alpina | October 25, 2026 |
Lug-to-lug
No source gave this figure yet.
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
No source gave this figure yet.
Calibre source
Official Alpina · retrieved October 25, 2026
Other Seastrong references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Seastrong Diver Extreme Automatic AL-525B3VE6 | 39 mm | 12.65 mm | — | AL-525 (SW200 base) |
| Seastrong Diver Extreme Automatic GMT AL-560B3VE6 | 39 mm | 12.8 mm | — | AL-560 (SW330 base) |
| Seastrong Diver Extreme Automatic x Route du Rhum – Destination Guadeloupe AL-525T3VE6 | 39 mm | 13.4 mm | — | AL-525 (SW200 base) |
Other Alpina models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Diver 300 Heritage (AL-520BY4H6) AL-520BY4H6 | 42 mm | 12.3 mm | — | AL-520 (SW200 base) |
| Diver 300 Heritage (AL-525S4H6) AL-525S4H6 | 42 mm | 12.3 mm | — | AL-525 (SW200 base) |
| Alpiner 4 Automatic AL-525N4AQ6 | 40 mm | 12.5 mm | — | AL-525 (SW200 base) |
| Startimer Pilot Automatic (40 mm) AL-525BW4S36 | 40 mm | 11.5 mm | — | AL-525 (La Joux-Perret base) |
| Startimer Pilot Solarmetre AL-140BLW3S26 | 38 mm | 9.32 mm | — | AL-140 |
| Startimer Pilot Automatic (41 mm) AL-525BBG4S26 | 41 mm | 11.5 mm | — | AL-525 (SW200 base) |
Show 16 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Alpiner Extreme Chronograph Automatic AL-730SB4AE6B | 41 mm | 14.3 mm | — | AL-730 (SW510 base) |
| Startimer Pilot Quartz Chronograph Big Date AL-372BW4S26B | 41 mm | 12.75 mm | — | AL-372 (Ronda 8040 base) |
| Alpiner Extreme Automatic (39 mm) AL-525BG3AE6 | 39 mm | 11.5 mm | — | AL-525 (SW200 base) |
| Alpiner Extreme Automatic Freeride World Tour Special Edition AL-525FWT3AE6 | 39 mm | 11.5 mm | — | AL-525 |
| Alpiner Extreme Skeleton Automatic AL-520GSKT3AE6B | 39 mm | 11.5 mm | — | AL-520 (SW200 base) |
| Alpiner Extreme Automatic Titanium AL-525S3AE1B | 39 mm | 11.5 mm | — | AL-525 (SW200 base) |
| Heritage Automatic AL-520BG3SH6 | 38 mm | 10.15 mm | — | AL-520 (SW200 base) |
| Startimer Pilot Chronograph Automatic IFR Alpina x Watch Angels AL-570NW4S46 | 43 mm | 15.9 mm | — | AL-570 |
| Alpiner Extreme Solarmetre AL-140BRG3AE6B | 37.5 mm | 10.19 mm | — | AL-140 |
| Alpiner Extreme Automatic (41 mm) AL-525B4AE6 | 41 mm | 11.5 mm | — | AL-525 (SW200 base) |
| Alpiner Extreme Regulator Automatic AL-650DGN4AE6 | 41 mm | 12 mm | — | AL-650 (SW461 base) |
| Date Manufacture AL-706W4E6 | 41.5 mm | 13 mm | — | AL-706 |
| Alpiner Extreme Quartz AL-220BG2AE6B | 34 mm | 8.35 mm | — | AL-220 (Ronda 505 base) |
| Heritage Tropic-Proof Handwinding AL-480B2H6 | 34 mm | 9.25 mm | — | AL-480 |
| Heritage Alpiner Carrée Automatic AL-530N3C6 | 32.5 mm | 10.55 mm | — | AL-530 |
| Heritage Carrée Automatic 140 Years AL-530BA3C6 | 32.5 mm | 9.71 mm | — | FC-530 (SW261 base) |