Omega · LadyMatic
Strap for LadyMatic Co-Axial 34 Stainless Steel / Sedna Gold / MOP
The LadyMatic Co-Axial 34 Stainless Steel / Sedna Gold / MOP takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the LadyMatic 425.22.34.20.55.004
Selected for the 16 mm lug width
The LadyMatic 425.22.34.20.55.004, seen from the bench
Frequently asked questions
What is the lug width of the Omega LadyMatic 425.22.34.20.55.004?
The lug width is 16mm, which is the distance between the upper and lower lugs of the case. This dimension is specific to the 34mm LadyMatic model and is essential to ensure proper strap fit without lateral play. Measure the horizontal distance between the center of one lug and the other to verify compatibility before purchase.
What is the best strap material for this LadyMatic Sedna Gold with mother-of-pearl?
Alligator is the most noble and recommended choice: its natural texture enhances the elegance of the case without visually competing with the mother-of-pearl dial. Calf leather with saffiano or grape finishes offers modern contrast and chromatic versatility. Shell cordovan is exceptional but requires maintenance; pure vegetable tanning is less suitable as its porosity absorbs moisture and natural colors could be visually conflicting with the mother-of-pearl.
How to change the strap of the Omega LadyMatic 425.22.34.20.55.004?
Remove the original strap by gently acting on the elastic pins (spring bars) with a dedicated tool or a small flat-head screwdriver. Press down one pin at a time to extract it from its seat, freeing the bracelet. Insert the new spring bars into the aftermarket strap and reinsert them into the case, ensuring they lock correctly in both holes. The operation requires care to avoid scratching the Sedna gold.
Is the 16mm aftermarket strap really compatible with reference 425.22.34.20.55.004?
Yes, provided the lug width is exactly 16mm. Consult the technical specifications of the strap and measure your spring bars (typically 16mm standard). If the lugs are too tight or too loose, the strap will not fit correctly and could stress the case. The 16mm lug width straps from milanostraps.it are guaranteed compatible with your LadyMatic.
How long does a leather strap last on an Omega LadyMatic?
A quality alligator or calf leather strap, with regular maintenance (moisture protection, monthly cleaning with a damp cloth), lasts an average of 3-5 years before requiring replacement. Shell cordovan can last longer but develops cracks if exposed to moisture; vegetable tanning tends to dry out within 2-3 years. Artisanal straps from Casati Milano include an 18-month warranty against manufacturing defects and abnormal wear.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
The atelier's website: casatimilano.com

