Rolex Datejust 41

Every Rolex Datejust 41 reference takes a 21 mm watch strap: all 126 we measured.

Rolex Datejust 41 lug width by case size

126 references measured. Updated 2026-11-03.

Case	Lug width	References	Watch strap attachment	For example
41 mm	21 mm	126	—	126300, 126300-0001, 126300-0002

Every Rolex Datejust 41 reference

Other Rolex families

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

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