Omega · X-33 / Z-33
Strap for Omega X-33 / Z-33 325.92.43.79.01.002
The Spacemaster Z-33 Titanium / Black / Leather takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
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- 12-month warranty on manufacturing defects
- Hand-stitched in Milan
Lug width

Straps for the X-33 / Z-33 325.92.43.79.01.002
Selected for the 22 mm lug width · workshop selection
What length do I need?
Measure your wrist with a tailor's tape or a piece of string, comfortably snug.
| Wrist circumference | Length (long side / short side) |
|---|---|
| 15.0–16.4 cm | 120 / 70 mm |
| 16.5–17.8 cm | 125 / 75 mm |
| 17.9–19.0 cm | 130 / 80 mm |
| 19.1–20.3 cm | 135 / 85 mm |
| 20.4–21.6 cm | 140 / 85 mm |
| 21.7–22.9 cm | 145 / 90 mm |
The ready-to-wear strap is 115 × 75 mm. For a smaller or larger wrist I make it in the right length: order your length.
What I'm asked about the Omega X-33 / Z-33 325.92.43.79.01.002
What strap size does the Omega X-33 / Z-33 325.92.43.79.01.002 take?
The Omega X-33 / Z-33 325.92.43.79.01.002 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-33 325.92.43.79.01.002 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-33 325.92.43.79.01.002?
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-33 325.92.43.79.01.002?
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.
More X-33 / Z-33
- Seamaster Regatta 37th America's Cup20 mm
- Speedmaster X-33 Titanium / Bracelet / Military20 mm
- Skywalker X-33 Titanium / Black / Bracelet20 mm
- Speedmaster X-33 Marstimer Titanium / Black / Bracelet20 mm
- Speedmaster X-33 Titanium / Kevlar / Military20 mm
- Skywalker X-33 Regatta ETNZ20 mm
- Skywalker X-33 Titanium / Blue / Nato / Solar Impulse20 mm
- Speedmaster X-33 Special Team Edition America’s Cup20 mm
More Omega in 22 mm
- Constellation Co-Axial 35 Stainless Steel / Lozenge SilverConstellation
- Constellation Co-Axial 35 Stainless Steel / Lozenge BlueConstellation
- Constellation Co-Axial 35 Stainless Steel / GreyConstellation
- Constellation Co-Axial 35 Stainless Steel / BronzeConstellation
- Constellation Co-Axial 35 Stainless Steel / Yellow Gold Claws / SilverConstellation
- Constellation Co-Axial 35 Stainless Steel / Yellow Gold / Lozenge SilverConstellation
For changing the strap
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






