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Alpina · Startimer

Alpina Startimer Pilot Chronograph Automatic IFR Alpina x Watch Angels

Reference AL-570NW4S46 · Chronograph · 43 mm

121245781011Ø 43 mm
Illustration drawn from the specifications: case to scale, colours and style approximate. Not a photo. Photos on the official page

Specifications

Reference
AL-570NW4S46
Family
Startimer
Category
Chronograph
Status
Current
Case material
Stainless steel
Case diameter
43 mm
Case thickness
15.9 mm Official
Lug-to-lug
—
Lug width
—
Water resistance
100 m
Bezel
—
Calibre
AL-570 Official
Power reserve
62 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.

121245781011No lug-to-lug dataFlat top of the wrist 54.1 mm
Top view on a wrist, to scale
Flat top of the wrist 54.1 mmNo lug-to-lug dataCase diameter 43 mm
Side view, across 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
15.9 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 Startimer references

Watch Ø Thickness Lug-to-lug Calibre
Startimer Pilot Quartz Chronograph Big Date AL-372BW4S26B 41 mm 12.75 mm — AL-372 (Ronda 8040 base)
Startimer Pilot Automatic (41 mm) AL-525BBG4S26 41 mm 11.5 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

Other Alpina models

Watch Ø Thickness Lug-to-lug Calibre
Alpiner Extreme Chronograph Automatic AL-730SB4AE6B 41 mm 14.3 mm — AL-730 (SW510 base)
Alpiner 4 Automatic AL-525N4AQ6 40 mm 12.5 mm — AL-525 (SW200 base)
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)
Seastrong Diver Extreme Automatic AL-525B3VE6 39 mm 12.65 mm — AL-525 (SW200 base)
Seastrong Diver Extreme Automatic Alpina x The Real Time Show AL-520G3VE6 39 mm 12.65 mm — AL-520 (SW200 base)
Show 15 more
Watch Ø Thickness Lug-to-lug Calibre
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)
Date Manufacture AL-706W4E6 41.5 mm 13 mm — AL-706
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)
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)
Alpiner Extreme Solarmetre AL-140BRG3AE6B 37.5 mm 10.19 mm — AL-140
Alpiner Extreme Quartz AL-220BG2AE6B 34 mm 8.35 mm — AL-220 (Ronda 505 base)
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)
Heritage Tropic-Proof Handwinding AL-480B2H6 34 mm 9.25 mm — AL-480

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