Omega Constellation 131.13.34.20.53.001

The Omega Constellation 131.13.34.20.53.001 takes a 21 mm watch band.

Omega · Constellation

21mm

lug width

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Every watch that takes 21 mm →

Lug width: 21 mm
Case diameter: 34 mm
Reference: 131.13.34.20.53.001
Family: Constellation
Case material: Acciaio
Water resistance: 50 m
Model: Constellation Master Chronometer Small Seconds 34 Stainless Steel / Blue - Diamond
Year: 2021

Bands that fit

Cut and stitched in Milano, in the width this watch takes.

Matte Black Alligator Strap€195

Matte Dark Gray Alligator Strap€195

Millennium Green Alligator Strap€195

Grey Hammered Leather Strap with Ecru Stitching€98

Hammered Calfskin Strap Light Blue€98

See every 21 mm band →

Will a strap close on your wrist?

Set for this watch: 34 mm of case and 21 mm between the lugs. Add your wrist and see where a standard strap would close.

Your wrist

Watch length, lug to lug

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.

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

21 mm is the gap between the lugs, so a 21 mm band goes in without adapters. Whether it sits flush against a 34 mm case depends on how that case is shaped.
21 mm is an odd size: most ready-made bands are made in even widths, so this reference needs one cut to measure or a band that runs in odd sizes. Why some watches take odd sizes →
Inside the Constellation family the lug width is not one number: it runs 12, 14, 16, 17, 17.5, 18, 19, 20, 21, 22, 24 mm. This reference is the 21 mm one, so a band bought for another Constellation may not fit it. Why the size changes inside a family →
21 mm is not a common size: only 2,956 of the 41,485 watches measured take it (7.1%), so ready-made choice at this width is narrower than at 20 or 22 mm. Every watch that takes 21 mm →