Steinhart · Pilot
Strap for Steinhart Pilot C0405
The Nav B-Chrono II Black 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 width

Straps for the Pilot C0405
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 Steinhart Pilot C0405
What strap size does the Steinhart Pilot C0405 take?
The Steinhart Pilot C0405 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 Steinhart Pilot C0405 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 Steinhart Pilot C0405?
Yes, in 22 mm leather. On a 47 mm chronograph I like box calf: it holds its shape and carries a substantial case.
Which strap do you recommend for the Steinhart Pilot C0405?
A 22 mm box calf. You'll find it ready in the 22 mm collection. If you'd rather have something built on your wrist, the Casati atelier.
More Pilot
More Steinhart in 22 mm
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- Marine-Officer BronzeMarine
- Le Mans GT ChronographRacing
- Racetimer BlueRacing
- Racetimer BrownRacing
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





