Hamilton Broadway

Most Hamilton Broadway references take a 20 mm watch strap: 8 of 17. The lug width follows the case size: 40 mm case → 20 mm and 42 mm case → 22 mm.

Shop 18 mm Shop 20 mm Shop 22 mm

Hamilton Broadway lug width by case size

17 references measured. Updated 2026-10-30.

Case	Lug width	Buckle width	References	Watch strap attachment	For example
40 mm	20 mm · 18 mm on 2	—	6	—	H43311541, H43311915, H43311941
42 mm	22 mm · 20 mm on 2	—	6	—	H43515141, H43515175, H43515641
43 mm	20 mm	—	2	—	H43516131, H43516731
46 mm	22 mm	20 mm	2	—	H43725131, H43725731
not recorded	22 mm	—	1	—	H6004351001

References that take a different watch strap

H43311135: 18 mm, not the 20 mm of most 40 mm cases
H43311735: 18 mm, not the 20 mm of most 40 mm cases
H43515135: 20 mm, not the 22 mm of most 42 mm cases
H43515735: 20 mm, not the 22 mm of most 42 mm cases

Questions about the Hamilton Broadway

Do all Hamilton Broadway case sizes take the same watch strap?

No. The lug width changes with the case size: the 40 mm case takes 20 mm and the 42 mm case takes 22 mm. Check your case diameter before you buy.

What buckle width does the Hamilton Broadway 46 mm take?

20 mm. The watch strap is 22 mm at the case and narrows to 20 mm at the buckle.

Every Hamilton Broadway reference

Other Hamilton families

Inside each one the lug width often changes: it is the reference that decides.

All Hamilton families → · Why the size changes inside a family →