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Omega · LadyMatic

Strap for LadyMatic Co-Axial 34 Yellow Gold / Diamond / MOP / Bracelet

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

16mm
16 mm strapsAll Omega
Lug width16 mm
Case diameter34 mm
Reference425.65.34.20.55.004 (aka: 42565342055004)
FamilyLadyMatic
MovementOmega caliber 8521 Hours, Minutes, Seconds | Date | Chronometer, Co-Axial Escapement
CaseYellow Gold

Spring bar

Spring bars for Omega

The right category for this model · choose the 16 mm size

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Straps for the LadyMatic 425.65.34.20.55.004 (aka: 42565342055004)

Selected for the 16 mm lug width

All 16 mm straps →

The LadyMatic 425.65.34.20.55.004 (aka: 42565342055004), seen from the bench

The Omega Ladymatic reference 425.65.34.20.55.004 is equipped with the automatic caliber 8521 with Co-Axial escapement and chronometer certification. The movement offers indication of hours, minutes, seconds and date. The case has contained dimensions in line with the feminine tradition of the model.

Frequently asked questions

What is the lug width of the Omega LadyMatic 425.65.34.20.55.004?

The lug width is 16mm, measured from the inner left lug to the inner right lug. This width maintains the correct visual proportions for a 34mm case in yellow gold, ensuring aesthetic balance between the watch and the wrist.

Which strap is most suitable for the LadyMatic 425.65.34.20.55.004?

Nile alligator in dark brown, burgundy or black is the most noble choice, thanks to its regular grain and natural curvability. Alternatively, vegetable-tanned calf leather with visible patina or shell cordovan (in steel versions only) are contemporary options of artisanal quality.

How do I change the strap on my Omega LadyMatic?

The lugs of the 425.65.34.20.55.004 are straight with moderate movement. Use a dedicated spring bar tool (40-50€) or contact Casati Milano for professional replacement with warranty. Do not force laterally to avoid damage to the gold lugs.

Can I use aftermarket straps for the 425.65.34.20.55.004?

Yes, provided the lug width is exactly 16mm and the lugs are straight. Milanostraps offers compatible customizable straps in fine leather, stitching and initials. For perfect fit, choose the bespoke service from Casati Milano atelier.

How long does a leather strap last for this model?

An alligator or calf strap of artisanal quality lasts 18-24 months with daily use, developing natural patina over time. It depends on wear, climate and care. Casati Milano guarantees 18 months on the strap and offers regeneration services to extend its life.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only