Omega · Speedmaster (Non-Moonwatch)

Strap for Speedmaster Co-Axial Red Gold / Black / Olympic Collection

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter44 mm
Reference321.53.44.52.01.001
FamilySpeedmaster (Non-Moonwatch)
MovementOmega caliber 3888 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel | Co-Axial Escapement
CaseRed Gold

Recommended spring bar

Spring bars Omega 22mm — 1.8mm diameter

Technical match for lug width and diameter · lug 22 mm · Ø 1.8 mm

All Omega spring barsOpen →

Straps for the Speedmaster (Non-Moonwatch) 321.53.44.52.01.001

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Speedmaster (Non-Moonwatch) 321.53.44.52.01.001, seen from the bench

The Speedmaster Professional Red Gold 321.53.44.52.01.001 combines chronographic heritage with refined aesthetics in 18-carat red gold. The 44.20 mm case diameter pairs with the Omega Calibre 3888 Co-Axial movement, featuring column wheel chronograph mechanism and sapphire crystal with anti-reflective treatment. The 22 mm lug width requires precise strap selection to ensure proper fit without lateral movement or excessive tension, maintaining both aesthetic integrity and functional durability of this high-end timepiece.

Frequently asked questions

What is the lug width of the Omega Speedmaster (Non-Moonwatch) 321.53.44.52.01.001?

The lug width of this model is 22 millimetres. The measurement should be taken between the lugs on the upper part of the case. It is essential to verify this dimension before purchasing a strap, as an incorrect lug width will result in misalignment and potential damage to the spring bars.

What is the best strap for the Omega Speedmaster 321.53.44.52.01.001 in rose gold?

For an 18-karat Red Gold case, we recommend cognac alligator, vegetable-tanned calf, or shell cordovan. These materials enhance the chromatic warmth of the precious metal without competing with it. Alligator is the benchmark choice for formality; calf offers everyday sobriety; cordovan ennobles itself with the natural patina of time.

How do I change the strap on my Omega Speedmaster 321.53.44.52.01.001?

Remove the spring bars using a dedicated spring bar tool, acting from the sides of the case. Extract the old strap and insert the new one, verifying that the spring bars click securely into both holes of the lug. To avoid scratches on the Red Gold, use silicone or felt supports during the operation.

Can I use an aftermarket strap on this Speedmaster?

Yes, any strap with a 22mm lug width is compatible. However, it is advisable to choose specialized brands that guarantee construction quality and durability of the spring bars. For a rose gold watch of this calibre, avoid inexpensive or synthetic straps that would compromise the overall aesthetic harmony.

How long does a leather strap last on a watch worn daily?

A quality leather strap (alligator, calf, or cordovan) typically lasts 3–5 years with daily wear, depending on the frequency of changes, exposure to moisture, and preventive care. Periodic maintenance (gentle cleaning, drying after perspiration) significantly extends longevity. The spring bars and stitching tend to fail before the leather itself.

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