Omega · Speedmaster (Non-Moonwatch)
Strap for Speedmaster Date 38 Stainless Steel - Diamond / Brown / Bracelet
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Frequently asked questions
What lug width does the Omega Speedmaster (Non-Moonwatch) 324.15.38.50.63.001 have?
The Omega Speedmaster 324.15.38.50.63.001 features an 18mm lug width, a precise measurement taken between the two lugs. This uncommon size excludes standard solutions and requires custom-made straps built to specification.
Which strap material is best suited for this 38mm Speedmaster?
Alligator represents the formal choice for its inherent elegance and natural grain. Shell cordovan offers density and patina development over time. Vegetable-tanned calf leather guarantees chromatic maturation. For its sporting vocation, 3-ply cotton NATO or structured rubber maintain proportions without deterioration.
How do you change the strap on the Omega Speedmaster 324.15.38.50.63.001?
The strap is changed by extracting the spring bars using a dedicated tool. The bars should be extracted sequentially, from bottom to top, avoiding loss of the springs. The new strap is threaded by aligning the holes to the lugs, then the bars are reinserted into position. The operation requires precision to avoid scratching the case edges.
Which aftermarket strap is compatible with the 324.15.38.50.63.001?
Only straps with 18mm lug width are compatible with this model. Standard 20mm or 16mm straps will not fit. Milanostraps.it offers a dedicated collection of customizable 18mm straps, from ready-to-ship options to bespoke pieces handcrafted at the Casati Milano atelier.
How long does a natural leather strap last on this watch?
Durability depends on the tanning process and usage. Vegetable-tanned alligator lasts 3-5 years with regular maintenance. Shell cordovan resists 5-7 years thanks to its density. More delicate tannin-free calf requires attention, but with proper care can exceed 3 years. Casati Milano warranty covers 18 months; beyond this, aging becomes character, not defect.
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

