Omega LadyMatic

Most Omega LadyMatic references take a 16 mm watch strap: 41 of 97.

Shop 16 mm Shop 18 mm Shop 19 mm Shop 20 mm

Omega LadyMatic lug width by case size

97 references measured; 6 more have an integrated bracelet. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
34 mm	16 mm · 20 mm on 24 · 18 mm on 17 · 14 mm on 9 · 12 mm on 3 · 17 mm on 2 · 19 mm on 1	97	—	425.20.34.20.55.004, 425.20.34.20.63.001, 425.22.34.20.55.003

References that take a different watch strap

425.20.34.20.55.001: 20 mm, not the 16 mm of most 34 mm cases
425.20.34.20.55.002: 17 mm, not the 16 mm of most 34 mm cases
425.20.34.20.55.003: 20 mm, not the 16 mm of most 34 mm cases
425.22.34.20.55.002: 18 mm, not the 16 mm of most 34 mm cases
425.22.34.20.63.001: 18 mm, not the 16 mm of most 34 mm cases
425.25.34.20.55.001: 20 mm, not the 16 mm of most 34 mm cases
425.25.34.20.55.004: 20 mm, not the 16 mm of most 34 mm cases
425.27.34.20.55.002: 20 mm, not the 16 mm of most 34 mm cases
425.27.34.20.55.004: 18 mm, not the 16 mm of most 34 mm cases
425.27.34.20.63.001: 20 mm, not the 16 mm of most 34 mm cases
425.30.34.20.05.001: 18 mm, not the 16 mm of most 34 mm cases
425.30.34.20.51.001: 14 mm, not the 16 mm of most 34 mm cases
425.30.34.20.55.002: 20 mm, not the 16 mm of most 34 mm cases
425.30.34.20.56.001: 14 mm, not the 16 mm of most 34 mm cases
425.30.34.20.57.001: 20 mm, not the 16 mm of most 34 mm cases
425.32.34.20.55.002: 20 mm, not the 16 mm of most 34 mm cases
425.32.34.20.57.002: 20 mm, not the 16 mm of most 34 mm cases
425.32.34.20.57.004: 20 mm, not the 16 mm of most 34 mm cases
425.33.34.20.01.001: 20 mm, not the 16 mm of most 34 mm cases
425.33.34.20.05.001: 12 mm, not the 16 mm of most 34 mm cases
425.33.34.20.51.001: 20 mm, not the 16 mm of most 34 mm cases
425.33.34.20.55.001: 17 mm, not the 16 mm of most 34 mm cases
425.35.34.20.55.002: 18 mm, not the 16 mm of most 34 mm cases
425.35.34.20.56.001: 14 mm, not the 16 mm of most 34 mm cases

And 32 more in the full list below.

Questions about the Omega LadyMatic

Can two Omega LadyMatic watches with a 34 mm case take different watch straps?

Yes. Of the 97 Omega LadyMatic references with a 34 mm case, 41 take 16 mm, 24 take 20 mm and 17 take 18 mm. The reference number decides, not the case size alone.

Every Omega LadyMatic reference

Other Omega families

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

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