Omega · LadyMatic

Strap for LadyMatic Co-Axial 34 Stainless Steel / Grey / Bracelet

Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width14 mm
Case diameter34 mm
Reference425.30.34.20.56.001 (aka: 42530342056001)
FamilyLadyMatic
MovementOmega caliber 8520 hours, minutes, seconds | date | chronometer, co-Axial escapement
Year2013
CaseStainless Steel

Spring bar

Spring bars for Omega

The right category for this model · choose the 14 mm size

The LadyMatic 425.30.34.20.56.001 (aka: 42530342056001), seen from the bench

The LadyMatic 425.30.34.20.56.001 is a contemporary evolution of a classic Omega design from the 1950s. The 34mm stainless steel case combines refined elegance with robust construction, featuring the distinctive rounded lines and serene dial of the original. Powered by the automatic Omega 8520 caliber with co-axial escapement, it offers chronometer precision and reduced maintenance. The 14mm lug width is specific to this LadyMatic generation and requires specialized strap suppliers to maintain visual harmony.

Frequently asked questions

What is the lug width of the Omega LadyMatic 425.30.34.20.56.001?

The lug width is 14mm, a specific standard for this generation of LadyMatic. It is measured by positioning a digital caliper between the case shoulders, from the inner edge of one lug to the opposite edge. This specification is essential to ensure mechanical compatibility and correct visual proportions of the strap relative to the 34mm case.

What is the best strap for the Omega LadyMatic 425.30.34.20.56.001?

Alligator represents the most authoritative choice: the natural, fine grain amplifies the perception of luxury without ostentation, and the patina that develops creates a unique relationship with the owner. Alternatively, vegetable-tanned calf offers a contemporary look with elegant aging, or premium shell cordovan for those seeking structural rigidity and brilliance.

How do you change the strap on the Omega LadyMatic 425.30.34.20.56.001?

The LadyMatic uses standard 14mm lug attachments. Position the watch on a soft cushion with the caseback facing upward. With a spring bar tool, apply gentle pressure on one of the small lateral pins to release the spring, remove the old strap and insert the new one. The operation requires patience to avoid scratches on the brushed case.

Is an aftermarket strap compatible with the 425.30.34.20.56.001?

Yes, any strap with a 14mm lug width is mechanically compatible. However, we recommend choosing specialized suppliers who understand correct proportions: a 34mm steel case requires specific thicknesses and finishes to maintain the aesthetic balance that Omega's design intended, avoiding oversized or visually incongruous straps.

How long does a natural leather strap last on the Omega LadyMatic?

A quality alligator or calf strap, used daily on a lightweight 34mm case such as the LadyMatic, can maintain excellent condition for 3-5 years. Durability depends on sun exposure, humidity, frequency of use and tanning method: vegetable-tanned materials age better than synthetic treatments, developing fascinating patina. Annual conditioning significantly extends useful 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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