Rado Captain Cook

Most Rado Captain Cook references take a 20 mm watch strap: 23 of 41. The lug width follows the case size: 37 mm case → 19 mm, 42 mm case → 20 mm, 43 mm case → 21 mm and 45 mm case → 20 mm.

Shop 19 mm Shop 20 mm Shop 21 mm

Rado Captain Cook lug width by case size

41 references measured. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
37 mm	19 mm	15	—	R32500013, R32500013, R32500105
42 mm	20 mm	18	—	R32105103, R32105153, R32105203
43 mm	21 mm	3	—	R32127152, R32127156, R32127162
45 mm	20 mm	5	—	R32501153, R32501156, R32501203

Questions about the Rado Captain Cook

Do all Rado Captain Cook case sizes take the same watch strap?

No. The lug width changes with the case size: the 37 mm case takes 19 mm, the 42 mm case takes 20 mm and the 45 mm case takes 20 mm. Check your case diameter before you buy.

Every Rado Captain Cook reference

Other Rado families

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

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