Oris Williams

Most Oris Williams references take a 24 mm watch strap: 37 of 56. The lug width follows the case size: 41 mm case → 20 mm, 42 mm case → 24 mm, 44 mm case → 24 mm and 45 mm case → 24 mm.

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Oris Williams lug width by case size

56 references measured; 16 more have an integrated bracelet. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
41 mm	20 mm · 22 mm on 1 · 24 mm on 1	6	—	01 635 7560 4748-07 4 25 01B, 01 635 7560 4754-07 4 25 01B, 01 733 7560 4114-07 4 25 01
42 mm	24 mm · 20 mm on 4 · 22 mm on 2 · 25 mm on 2	29	—	01 635 7613 4164-07 4 24 44, 01 635 7613 4174-07 4 24 44, 01 635 7613 4784
44 mm	24 mm · 22 mm on 2 · 20 mm on 1	12	—	01 674 7725 8734-07 424 54FCTB, 01 674 7725 8764-07 424 50FCTB, 01 674 7725 8784-Set 42454FCTB
45 mm	24 mm · 27 mm on 2 · 22 mm on 1	9	—	01 679 7614 4164, 01 679 7614 4164-07 4 24 44, 01 679 7614 4164-07 8 24 75

References that take a different watch strap

01 733 7560 4114-07 8 25 01: 22 mm, not the 20 mm of most 41 mm cases
01 733 7613 4114-07 4 24 44: 24 mm, not the 20 mm of most 41 mm cases
01 635 7586 7184-Set: 20 mm, not the 24 mm of most 42 mm cases
01 635 7595 4164-07 4 25 01: 22 mm, not the 24 mm of most 42 mm cases
01 635 7595 4164-07 8 25 01: 20 mm, not the 24 mm of most 42 mm cases
01 635 7595 4194-07 4 25 01: 22 mm, not the 24 mm of most 42 mm cases
01 635 7595 4194-07 8 25 01: 25 mm, not the 24 mm of most 42 mm cases
01 635 7613 4164-07 8 24 75: 20 mm, not the 24 mm of most 42 mm cases
01 635 7613 4174-07 8 24 75: 20 mm, not the 24 mm of most 42 mm cases
01 754 7585 4164-07 8 25 01: 25 mm, not the 24 mm of most 42 mm cases
01 735 7634 4764-07 4 24 44BNE: 22 mm, not the 24 mm of most 44 mm cases
01 735 7634 4765-07 4 24 44BNE: 22 mm, not the 24 mm of most 44 mm cases
01 773 7685 4184-Set RS: 20 mm, not the 24 mm of most 44 mm cases
01 673 7563 4184-07 4 27 01: 22 mm, not the 24 mm of most 45 mm cases
01 673 7563 4184-07 8 27 01: 27 mm, not the 24 mm of most 45 mm cases
01 673 7563 4754-07 4 27 01B: 27 mm, not the 24 mm of most 45 mm cases

Questions about the Oris Williams

Do all Oris Williams case sizes take the same watch strap?

No. The lug width changes with the case size: the 41 mm case takes 20 mm, the 42 mm case takes 24 mm, the 44 mm case takes 24 mm and the 45 mm case takes 24 mm. Check your case diameter before you buy.

Can two Oris Williams watches with a 42 mm case take different watch straps?

Yes. Of the 29 Oris Williams references with a 42 mm case, 21 take 24 mm, 4 take 20 mm and 2 take 22 mm. The reference number decides, not the case size alone.

Every Oris Williams reference

Other Oris families

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

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