El Primero Chronomaster Open Stainless Steel / Blue 1969 / Rubber

Zenith El Primero Chronomaster Open Stainless Steel / Blue 1969 / Rubber

Zenith · El Primero

21mm

lug width

Shop 21 mm bands
Lug width
21 mm
Case diameter
42 mm
Reference
03.2040.4061/52.R576
Family
El Primero
Year
2017 - 2021

Will a strap close on your wrist?

Set for this watch: 42 mm of case and 21 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 42 mm case on a 21 mm lug width, any 21 mm band fits without adapters.