Omega · X-33 / Z-33

Strap for Omega X-33 / Z-33 325.92.43.79.01.001

The Spacemaster Z-33 Titanium / Black / Rubber takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width22 mm
Case diameter43 mm
Reference325.92.43.79.01.001 (aka: 32592437901001)
FamilyX-33 / Z-33
MovementOmega caliber 5666 Additional 12 Hours Hand (adjustable), Additional 24 Hours Hand (adjustable), Hours, Minutes, Seconds | Date, Day, Perpetual calendar | Chronograph | Alarm | Power reserve indicator, Chronometer
Year2013
CaseTitanium

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 X-33 / Z-33 325.92.43.79.01.001

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

What I'm asked about the Omega X-33 / Z-33 325.92.43.79.01.001

What strap size does the Omega X-33 / Z-33 325.92.43.79.01.001 take?

The Omega X-33 / Z-33 325.92.43.79.01.001 needs 22 mm between the lugs, usually 18 or 20 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Omega X-33 / Z-33 325.92.43.79.01.001 be changed?

Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.

Can I put a leather strap on the Omega X-33 / Z-33 325.92.43.79.01.001?

Yes, in 22 mm leather. On a 43 mm case a calf strap works every day; if you want something more, alligator.

Which strap do you recommend for the Omega X-33 / Z-33 325.92.43.79.01.001?

A 22 mm calf strap, for every day. You'll find it ready in the 22 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

The X-33 / Z-33 325.92.43.79.01.001, seen from the bench

The Omega X-33/Z-33 reference 325.92.43.79.01.001 is powered by the Omega caliber 5666 with chronograph, alarm and perpetual calendar functions. The movement offers additional 12 and 24-hour adjustable time indicators, as well as a power reserve indicator. The functions include date, day and specific professional complications.

Frequently asked questions

What is the best strap for the Omega X-33 / Z-33 325.92.43.79.01.001?

Selection depends on intended usage and aesthetic preference. Black alligator offers avionic minimalism, shell cordovan adds diachronic patina (ideal for those who appreciate aging), vegetable-tanned calf provides breathability and restraint, whilst a ballistic nylon NATO remains the most tactile robust solution. Technical rubber (FKM) is unbeatable for complete water resistance. No choice is wrong: it depends on your aesthetic project and the environments where you will wear the 325.92.43.79.01.001.

Which aftermarket straps are compatible with the Omega 325.92.43.79.01.001?

Any strap with a lug width of 22mm is physically compatible. However, to preserve the aesthetic identity of the X-33 / Z-33 and visual proportionality, we recommend premium materials: alligator, shell cordovan, vegetable-tanned calf, high-density ballistic nylon NATO, and technical FKM rubber. Avoid poor-quality synthetic straps or materials with dimensional instability. The watch deserves a strap that matures over time and communicates the same constructive seriousness as the case.

How long does a leather strap last on an Omega X-33 / Z-33?

Durability depends on material chosen and conditions of use. Quality alligator or shell cordovan, with ordinary care (drying after moisture exposure, avoiding prolonged soaking), lasts 5–7 years in daily use, up to 10+ years if worn occasionally. Vegetable-tanned calf, being more delicate, typically lasts 3–5 years. Any leather will be vulnerable to stagnant water and perfumes (alcohol). To extend service life, apply a natural water-repellent protector every six months. An FKM rubber strap potentially lasts twice as long, with minimal maintenance (periodic rinsing). In any case, an 18-month warranty is the standard for quality artisanal straps.

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

The atelier's website: casatimilano.com