Breitling Colt

Most Breitling Colt references take a 22 mm watch strap: 132 of 371. The lug width follows the case size: 33 mm case → 16 mm, 36 mm case → 18 mm, 41 mm case → 20 mm and 44 mm case → 22 mm.

Shop 20 mm Shop 22 mm

Breitling Colt lug width by case size

371 references measured. Updated 2026-11-03.

Case	Lug width	References	Watch strap attachment	For example
33 mm	16 mm	77	—	A7738011.B785.408X, A7738011.B785.813A, A7738011.C677.813A
36 mm	18 mm	111	—	A7438911/A771/213X/A16BA.1, A7438911/A771/214X/A16BA.1, A7438911/A771/215X/A16BA.1
41 mm	20 mm	42	—	A1731310.F584.113X, A1731310.G837.190A, A17313101F1A1
44 mm	22 mm · 20 mm on 9	138	—	A1338811.BD83.173A, A1338811.C914.228S/A20S.1, A1338811/BD83/105X/A20BA.1
45 mm	22 mm	3	—	X74320B5.BG23.293S, X74320E4/BF87/293S/X20S.1, X74320E4/BF87/298S/X20S.1

References that take a different watch strap

A7338710BB49131S: 20 mm, not the 22 mm of most 44 mm cases
A7338710BB49157A: 20 mm, not the 22 mm of most 44 mm cases
A7338710BB49435X: 20 mm, not the 22 mm of most 44 mm cases
A7338710C848105X: 20 mm, not the 22 mm of most 44 mm cases
A7338710C848145S: 20 mm, not the 22 mm of most 44 mm cases
A7338710C848157A: 20 mm, not the 22 mm of most 44 mm cases
A7338710G742145S: 20 mm, not the 22 mm of most 44 mm cases
A7338710G742157A: 20 mm, not the 22 mm of most 44 mm cases
A7338710G742433X: 20 mm, not the 22 mm of most 44 mm cases

Questions about the Breitling Colt

Do all Breitling Colt case sizes take the same watch strap?

No. The lug width changes with the case size: the 33 mm case takes 16 mm, the 36 mm case takes 18 mm, the 41 mm case takes 20 mm and the 44 mm case takes 22 mm. Check your case diameter before you buy.