Hamilton Valiant H39515133

The Hamilton Valiant H39515133 takes a 20 mm watch band.

Hamilton · Valiant

20mm

lug width

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Every watch that takes 20 mm →

Lug width: 20 mm
Case diameter: 40 mm
Reference: H39515133
Family: Valiant
Case material: Acciaio
Model: Valiant Auto 40 Stainless Steel / Black

Bands that fit

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

Hammered calfskin strap in cuoio€98

Grey Hammered Leather Strap with Ecru Stitching€98

Brown Saffiano Leather Strap€90

Black Saffiano Rubber Strap€105

Dark Brown Calfskin Military Strap€80

See every 20 mm band →

Will a strap close on your wrist?

Set for this watch: 40 mm of case and 20 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

20 mm is the gap between the lugs, so a 20 mm band goes in without adapters. Whether it sits flush against a 40 mm case depends on how that case is shaped.
Inside the Valiant family the lug width is not one number: it runs 12, 20 mm. This reference is the 20 mm one, so a band bought for another Valiant may not fit it. Why the size changes inside a family →
20 mm is one of the common sizes: 15,081 of the 41,485 watches measured take it, which is why it is the width most bands are cut in. Every watch that takes 20 mm →