Omega
Speedmaster (Non-Moonwatch) 3823.80.03— lug 18mm
Omega Speedmaster (Non-Moonwatch) 3823.80.03: 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 3823.80.03The essential strap measurement.
Browse 18mm straps →3823.80.03
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) 3823.80.03?
The lug width is 18 millimeters. This is a specific measurement for this reference, not compatible with standard 20mm or 16mm straps. To verify with precision, measure the internal distance between the case lugs with a digital caliper.
Which strap is best for the Omega Speedmaster 3823.80.03?
It depends on usage and personal taste. Black alligator with vegetable tanning is the classic choice for urban elegance; cognac-colored shell cordovan adds natural patina and aesthetic contrast. For sports use, the grey-blue fabric NATO strap remains versatile and practical. Smooth calf leather represents the reversible and conservative choice.
How do you change the strap on this Omega?
The Omega Speedmaster 3823.80.03 uses straight spring bars. Use a spring bar tool with two small flat protrusions to release the spring and slide the strap out of the terminals. Work gently to avoid scratching the satin-finished case. If you are unsure, rely on a professional watchmaker.
Are aftermarket 18mm straps compatible with the 3823.80.03?
Yes, all straps with an 18mm lug width are compatible with the 3823.80.03. Milanostraps offers a specific collection of customizable artisanal straps in this width, ready to ship or custom-made through Casati Milano.
How long does a natural leather strap last on an Omega chronograph?
A quality leather strap (alligator, shell cordovan, calf) typically lasts 3-5 years with daily use, depending on maintenance and tanning method. Vegetable-tanned leather tends to develop a beautiful patina over time. A strap made by Casati Milano includes an 18-month warranty and is easily replaceable.
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