Strap matcher

Best straps for the Hamilton Intra-Matic Auto 40mm

20 mm lugs, 40 mm case, reference H38455151. Try a strap below; the drawing is to scale.

Hamilton Intra-Matic Auto 40mm on a steel three-link bracelet
Strap
Colour: Steel
Strap width20 mm
At the buckle16 mm
Lug to lug47.5 mm

Looks that work on the Hamilton Intra-Matic Auto 40mm

Hamilton Intra-Matic Auto 40mm specs

Case
40 mm × 10.6 mm thick
Lug width
20 mm
Lug to lug
47.5 mm
Case material
stainless steel
Movement
H-10, automatic
Water resistance
50 m

From the maker's published figures, gathered with AI help and not yet checked against a watch in hand. Measure your lugs before you buy.

Strap size for the Hamilton Intra-Matic Auto 40mm

What size strap fits the Hamilton Intra-Matic Auto 40mm?

The Hamilton Intra-Matic Auto 40mm takes 20 mm straps: its lug width is 20 mm. A leather strap will usually taper to 18 mm at the buckle.

How big is the Hamilton Intra-Matic Auto 40mm?

The case is 40 mm across, and about 47.5 mm from lug tip to lug tip.

What strap looks best on the Hamilton Intra-Matic Auto 40mm?

Good options are a cognac leather strap, a navy leather strap, a taupe suede strap. Try them all on the drawing above.

Sizes come from published specs. Check yours before you buy: how to measure lug width.