Omega
Speedmaster Reduced 3810.50.06— lug 18mm
Omega Speedmaster Reduced 3810.50.06: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 18mm lug width to preserve the original sartorial balance."
Technical Specifications
Omega 3810.50.06The essential strap measurement.
Browse 18mm straps →3810.50.06
Omega caliber 3220 Hours, Minutes, Small Seconds | Chronograph
The Heritage
Compatible Straps
Selected for the 18mm lug width of the Speedmaster Reduced
FAQ
What is the exact lug width of the Speedmaster Reduced 3810.50.06?
The lug width is 18mm. This dimension is specific to the Reduced model and is fundamental for choosing compatible straps. Measure correctly with a digital caliper positioned perpendicularly between the case lugs, avoiding applying pressure.
What is the best material for an 18mm strap on Omega Speedmaster Reduced?
It depends on the use. For formal elegance, vegetable-tanned alligator or Hermès calf offer sophisticated aesthetics and develop natural patina. For sports and daily wear, Shell Cordovan guarantees durability of 15+ years. For reversible versatility, grey or black NATO allows quick switching between contexts.
How do I change the strap on my Speedmaster Reduced 3810.50.06?
Remove the two spring bars (small metal cylinders on the sides of the case). Extract the old strap by sliding the bar outward. Insert the new strap by aligning the holes at the ends and reinsert the bars until the locking click. No special tool is necessary, but a plastic punch prevents scratches.
Are aftermarket leather straps compatible with 18mm Omega lugs?
Yes, provided they have certified 18mm lug width. Avoid generic "Universal 18mm" straps that often have approximate tolerances (17.5-18.5mm). Milanostraps.it straps are crafted to 18mm specification with ±0.2mm tolerance.
How long does a leather strap last on a Speedmaster Reduced with daily use?
A vegetable-tanned calf strap lasts 4-6 years with monthly maintenance (cocoa butter, cleaning with damp cloth). Shell Cordovan exceeds 15 years thanks to the equine longitudinal fiber. Treated nylon NATO resists 10+ years. Durability depends on climate (humidity shortens lifespan), wash frequency and sun exposure.
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 →By appointment only · Milan
The atelier's website: casatimilano.com