Omega · Speedmaster Moonwatch
Strap for Omega Speedmaster Moonwatch 311.30.42.30.01.004
The Speedmaster Professional Moonwatch Racing / TinTin takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Recommended spring bar
Straps for the Speedmaster Moonwatch 311.30.42.30.01.004
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€149
Red Alligator Strap Water Resistant€195
Green Rubberized Alligator Strap with Ecru Tribal Stitching€149
Hammered Calfskin Strap Light Blue€98
Vintage Olive Green Calf Leather Watch Strap★ 4.5 · 4€80
What I'm asked about the Omega Speedmaster Moonwatch 311.30.42.30.01.004
What strap size does the Omega Speedmaster Moonwatch 311.30.42.30.01.004 take?
The Omega Speedmaster Moonwatch 311.30.42.30.01.004 needs 20 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.
Can the strap on the Omega Speedmaster Moonwatch 311.30.42.30.01.004 be changed?
Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.
Can I put a leather strap on the Omega Speedmaster Moonwatch 311.30.42.30.01.004?
Yes, in 20 mm leather. On a 42 mm chronograph I like box calf: it holds its shape and carries a substantial case.
Which strap do you recommend for the Omega Speedmaster Moonwatch 311.30.42.30.01.004?
A 20 mm box calf. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.
The Speedmaster Moonwatch 311.30.42.30.01.004, seen from the bench
Frequently asked questions
What is the best strap for the Omega Speedmaster Moonwatch 311.30.42.30.01.004?
The best strap depends on your intended use. For formal and everyday environments, we recommend vegetable-tanned dark brown alligator or shell cordovan: both develop a natural patina over time. For a sporty style, grey or black NATO fabric remains true to the Moonwatch's military heritage. Vegetable-tanned calf leather is ideal if you prefer softness and aesthetic simplicity.
Can I use aftermarket straps on this Speedmaster?
Yes, any strap with a 20mm lug width is compatible with the 311.30.42.30.01.004. Artisanal straps from milanostraps.it are designed specifically for this width and offer superior quality compared to standard straps. It is essential to verify that the new strap has exactly 20mm to avoid play or misalignment.
How long does a leather strap last on the Speedmaster Moonwatch?
The lifespan depends on the material and usage. An alligator or shell cordovan strap in vegetable tanning typically lasts 5-7 years with daily wear, thanks to its natural durability. Calf leather, which is more delicate, lasts 3-5 years. The frequency of wear, exposure to sunlight and humidity significantly affect longevity. Superior quality artisanal straps, such as those from Casati Milano, offer 18-month warranties and provide repairs and replacements with ease.
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