Bell & Ross BR-03

Most Bell & Ross BR-03 references take a 20 mm watch strap: 42 of 65.

Bell & Ross BR-03 lug width by case size

65 references measured. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
41 mm	20 mm · 24 mm on 1	2	—	BR03A-BL-SKCE/SRB
42 mm	20 mm · 24 mm on 21 · 22 mm on 1	63	—	BR03-Rafale, BR0351-GMT-CA, BR0390-B-ROCKET

References that take a different watch strap

BR03A-BL-CE/SRB: 24 mm, not the 20 mm of most 41 mm cases
BR0390-BICOLOR: 24 mm, not the 20 mm of most 42 mm cases
BR0392-AVIA-ST: 24 mm, not the 20 mm of most 42 mm cases
BR0392-BLC-ST: 24 mm, not the 20 mm of most 42 mm cases
BR0392-D-BL-ST/SRB: 24 mm, not the 20 mm of most 42 mm cases
BR0392-D-BU-ST/SRB: 24 mm, not the 20 mm of most 42 mm cases
BR0392-D-LU-BR/SCA: 24 mm, not the 20 mm of most 42 mm cases
BR0392-DESERT-CA: 22 mm, not the 20 mm of most 42 mm cases
BR0392-GR-ST/SCA: 24 mm, not the 20 mm of most 42 mm cases
BR0392-HOR-BLC/SRB: 24 mm, not the 20 mm of most 42 mm cases
BR0392-O-CA: 24 mm, not the 20 mm of most 42 mm cases
BR0392-SC/SCA: 24 mm, not the 20 mm of most 42 mm cases
BR0392-ST-G-HE/SCA: 24 mm, not the 20 mm of most 42 mm cases
BR0392-ST-G-HE/SCA/2: 24 mm, not the 20 mm of most 42 mm cases
BR0392-ST-PG/SCA: 24 mm, not the 20 mm of most 42 mm cases
BR0393-GMT-ST/SCA: 24 mm, not the 20 mm of most 42 mm cases
BR0394-BL-CE: 24 mm, not the 20 mm of most 42 mm cases
BR0394-BLC-ST/SCA: 24 mm, not the 20 mm of most 42 mm cases
BR0394-DESERT-CE: 24 mm, not the 20 mm of most 42 mm cases
BR0394-SC-ORA/SCA: 24 mm, not the 20 mm of most 42 mm cases
BR0394-SC/SCA: 24 mm, not the 20 mm of most 42 mm cases
BR0394BLCA: 24 mm, not the 20 mm of most 42 mm cases
BR0394PHANTOM: 24 mm, not the 20 mm of most 42 mm cases

Questions about the Bell & Ross BR-03

Can two Bell & Ross BR-03 watches with a 42 mm case take different watch straps?

Yes. Of the 63 Bell & Ross BR-03 references with a 42 mm case, 41 take 20 mm, 21 take 24 mm and 1 take 22 mm. The reference number decides, not the case size alone.

Every Bell & Ross BR-03 reference

Other Bell & Ross families

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

All Bell & Ross families → · Why the size changes inside a family →