Carl F. Bucherer Heritage

Most Carl F. Bucherer Heritage references take a 18 mm watch strap: 11 of 28. The lug width follows the case size: 39 mm case → 20 mm and 41 mm case → 18 mm.

Shop 18 mm Shop 20 mm Shop 22 mm

Carl F. Bucherer Heritage lug width by case size

28 references measured. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
39 mm	20 mm · 18 mm on 2	5	—	00.10805.03.13.01, 00.10805.08.13.01, 00.10805.08.13.21
41 mm	18 mm · 22 mm on 6 · 20 mm on 3	18	—	00.10803.08.12.22, 00.10803.08.52.99, 00.10803.08.92.89
43 mm	22 mm	2	—	00.10802.02.13.01, 00.10802.03.13.01
not recorded	22 mm	3	—	00-10803-08-92-73, 00-10803-08-92-90, 00-10803-12-32-01

References that take a different watch strap

00.10805.08.33.01: 18 mm, not the 20 mm of most 39 mm cases
00.10805.08.33.21: 18 mm, not the 20 mm of most 39 mm cases
00.10803.07.42.01: 22 mm, not the 18 mm of most 41 mm cases
00.10803.08.12.01: 22 mm, not the 18 mm of most 41 mm cases
00.10803.08.32.01: 22 mm, not the 18 mm of most 41 mm cases
00.10803.08.92.81: 20 mm, not the 18 mm of most 41 mm cases
00.10803.08.92.82: 20 mm, not the 18 mm of most 41 mm cases
00.10803.08.92.85: 22 mm, not the 18 mm of most 41 mm cases
00.10803.08.92.86: 22 mm, not the 18 mm of most 41 mm cases
00.10803.08.92.87: 22 mm, not the 18 mm of most 41 mm cases
00.10803.08.92.96: 20 mm, not the 18 mm of most 41 mm cases

Questions about the Carl F. Bucherer Heritage

Do all Carl F. Bucherer Heritage case sizes take the same watch strap?

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

Can two Carl F. Bucherer Heritage watches with a 41 mm case take different watch straps?

Yes. Of the 18 Carl F. Bucherer Heritage references with a 41 mm case, 9 take 18 mm, 6 take 22 mm and 3 take 20 mm. The reference number decides, not the case size alone.