Montblanc Heritage

Most Montblanc Heritage references take a 19 mm watch strap: 19 of 55. The lug width follows the case size: 38 mm case → 19 mm, 39 mm case → 18 mm, 40 mm case → 20 mm and 41 mm case → 19 mm.

Shop 18 mm Shop 19 mm Shop 20 mm Shop 22 mm

Montblanc Heritage lug width by case size

55 references measured. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
38 mm	19 mm	5	—	112515, 112516, 112519
39 mm	18 mm	15	—	110699, 110714, 110715
40 mm	20 mm	13	—	112532, 112533, 112534
41 mm	19 mm · 20 mm on 3	16	—	110695, 110696, 111580
42 mm	22 mm	2	—	114875, 114876
43 mm	19 mm	1	—	MB129052
44 mm	22 mm	1	—	112542
not recorded	20 mm	2	—	113779, 113780

References that take a different watch strap

112540: 20 mm, not the 19 mm of most 41 mm cases
112541: 20 mm, not the 19 mm of most 41 mm cases
112648: 20 mm, not the 19 mm of most 41 mm cases

Questions about the Montblanc Heritage

Do all Montblanc Heritage case sizes take the same watch strap?

No. The lug width changes with the case size: the 38 mm case takes 19 mm, the 39 mm case takes 18 mm, the 40 mm case takes 20 mm and the 41 mm case takes 19 mm. Check your case diameter before you buy.

Can two Montblanc Heritage watches with a 41 mm case take different watch straps?

Yes. Of the 16 Montblanc Heritage references with a 41 mm case, 13 take 19 mm and 3 take 20 mm. The reference number decides, not the case size alone.