Portugieser Perpetual Calendar Digital Date-Month Edition "75th Anniversary" Red Gold / Blue

IWC Portugieser Perpetual Calendar Digital Date-Month Edition "75th Anniversary" Red Gold / Blue

IWC · Portugieser

22mm

lug width

Shop 22 mm bands
Lug width
22 mm
Case diameter
45 mm
Reference
IW3972-04 (aka: IW397204)
Family
Portugieser
Year
2015

Will a strap close on your wrist?

Set for this watch: 45 mm of case and 22 mm between the lugs. Add your wrist and see where a standard strap would close.

mm

Filled in with the case diameter, which is what we hold for this reference. Measure the watch tip to tip for the exact answer: it is usually a few mm more.

75 mm115 mm

Enter your wrist measurement to see whether a standard 75/115 mm strap closes on you, and where.

Why ready-made straps come in one length →

Sizing notes

  • With a 45 mm case on a 22 mm lug width, any 22 mm band fits without adapters.