Omega
Speedmaster (Non-Moonwatch) 3820.50.26— lug 18mm
Omega Speedmaster (Non-Moonwatch) 3820.50.26: 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 3820.50.26The essential strap measurement.
Browse 18mm straps →3820.50.26
Omega caliber 1151 Hours, Minutes, Small Seconds, Day / Night Indication | Date, Day, Month | Chronograph
The Heritage
Compatible Straps
Selected for the 18mm lug width of the Speedmaster (Non-Moonwatch)
FAQ
What is the lug width of the Omega Speedmaster (Non-Moonwatch) 3820.50.26?
The lug width of reference 3820.50.26 is 18mm. This non-standard measurement, narrower than modern Moonwatch models (24mm) and contemporaries (20mm), makes it unique in the Speedmaster ecosystem and requires straps specifically crafted for this width.
Which strap should I choose for the Speedmaster 3820.50.26?
The most recommended materials are black or cognac alligator for formal contrast, vegetable-tanned calf for aging patina, and shell cordovan for structural rigidity. The choice depends on usage: alligator for aesthetic elegance, calf for material narrative over time, caoutchouc for water-resistant use.
How do I change the strap on my Omega Speedmaster 3820.50.26?
Remove the old strap by inserting a spring bar tool into the small hole beneath the lug bar, gently lifting the elastic pin. Insert the pin into the back bar of the new strap, align the holes with the case lugs, and snap the pin into position. Check that the strap is securely fastened before wearing the watch.
Can I use a 20mm strap on the Omega Speedmaster 3820.50.26?
No. A 20mm strap does not fit the 18mm lugs of the 3820.50.26. The lug width is the measurement of the lug bar between the two pins: 18mm is specific to this model. Using an incorrect size causes case instability and risk of strap detachment.
How long does a leather strap last on the Speedmaster 3820.50.26?
An artisanal leather strap (alligator, vegetable-tanned calf, shell cordovan) lasts 3-5 years with daily wear. Durability depends on the tanning method and frequency of use. Vegetable-tanned leathers develop an aging patina that can noticeably extend the functional life of the strap, while synthetics degrade more rapidly under 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