Omega · Speedmaster Moonwatch
Strap for Speedmaster Professional Moonwatch 3861 Moonshine Gold / Moonshine Gold
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Speedmaster Moonwatch 310.62.42.50.99.001
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Green Rubberized Alligator Strap with Ecru Tribal Stitching€185
The Speedmaster Moonwatch 310.62.42.50.99.001, seen from the bench
Frequently asked questions
What is the correct lug width for the Omega Speedmaster Moonwatch 310.62.42.50.99.001?
The Omega Speedmaster Moonwatch 310.62.42.50.99.001 uses a 20-millimeter lug width. This standard is recognizable by measuring the distance between the two articulation pins that attach the strap to the case. A 20mm strap fits perfectly without forcing.
Which strap material pairs best with the Moonshine Gold of the 310.62.42.50.99.001?
Black or dark brown alligator enhances the severity and instrumental DNA of the Moonwatch, while brushed calf offers versatility and conceals wear. For elegant contrast, a burgundy alligator or dark red shell cordovan strap enhances the yellow tone of the Moonshine Gold.
How do you change the strap on the Omega Speedmaster Moonwatch 310.62.42.50.99.001?
Remove the current strap using a spring bar tool to push the articulation pins laterally. Insert the new pins into the strap, then secure the strap to the case while keeping the pins in position. Ensure that the 20mm strap sits symmetrically on both sides.
Is the 310.62.42.50.99.001 compatible with standard 20mm aftermarket straps?
Yes, the Omega Speedmaster Moonwatch 310.62.42.50.99.001 accepts any quality strap with a 20mm lug width, from NATO models to structured leather such as alligator or shell cordovan. Ensure that the actual strap width corresponds exactly to 20mm to avoid lateral play or forcing.
How long does a leather strap last on the Moonwatch case 310.62.42.50.99.001?
A premium leather strap such as alligator or shell cordovan resists 3-5 years under normal wear conditions. Usage frequency, moisture exposure, and lifestyle significantly influence longevity. Vegetable-tanned leather develops patina and improves over time, while polished calf requires more regular maintenance.
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

