Breguet Classique 5140BB/12/9W6
The Breguet Classique 5140BB/12/9W6 takes a 21 mm watch band.

Breguet · Classique
- Lug width
- 21 mm
- Case diameter
- 40 mm
- Reference
- 5140BB/12/9W6
- Family
- Classique
- Case material
- Oro bianco
- Model
- Classique 5140 White Gold / Silver
Bands that fit
Cut and stitched in Milano, in the width this watch takes.
Will a strap close on your wrist?
Set for this watch: 40 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.
Enter your wrist measurement to see whether a standard 75/115 mm strap closes on you, and where.
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 40 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 Classique family the lug width is not one number: it runs 16, 17, 18, 18.5, 20, 21, 22, 23, 24 mm. This reference is the 21 mm one, so a band bought for another Classique 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 →
Other Classique references
- Classique 2025BH-28-9W62025BH-28-9W6
21 mm - Classique 3358BB-8D-986-D03358BB-8D-986-D0
18 mm - Classique 3757PT1E9V63757PT1E9V6
20 mm - Classique 5140 Yellow Gold / Silver5140BA/12/9W6
18 mm - Classique 5140 Yellow Gold / White Enamel5140BA/29/9W6
18 mm - Classique 5140 White Gold / White Enamel5140BB/29/9W6
20 mm
Hammered Black Calfskin Strap — Ecru Stitching
Brown Italian Leather Strap
Black Saffiano Strap Ecru Stitching
Vintage Brown Calfskin Strap — Natural Patina
Swift Topo Leather Strap
Matte Red Caiman Latirostris Strap — Hand Stitched




