Certina DS 7 Big Date C0434264409100

The Certina DS 7 Big Date C0434264409100 takes a 10 mm watch band.

Certina DS 7 Big Date C0434264409100, 10 mm lug width

Certina · DS 7 Big Date

Lug width
10 mm
Case diameter
40 mm
Reference
C0434264409100
Family
DS 7 Big Date
Water resistance
100
Model
DS 7 Big Date C0434264409100

Will a strap close on your wrist?

Set for this watch: 40 mm of case and 10 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

  • 10 mm is the gap between the lugs, so a 10 mm band goes in without adapters. Whether it sits flush against a 40 mm case depends on how that case is shaped.