Ball Watch · Roadmaster
Strap for Ball Watch Roadmaster Roadmaster Pilot GMT Meteorite (40mm)
The Ball Watch Roadmaster Roadmaster Pilot GMT Meteorite (40mm) takes 20 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 Roadmaster Roadmaster Pilot GMT Meteorite (40mm)
Selected for the 20 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 Ball Watch Roadmaster Roadmaster Pilot GMT Meteorite (40mm)
What strap size does the Ball Watch Roadmaster Roadmaster Pilot GMT Meteorite (40mm) take?
The Ball Watch Roadmaster Roadmaster Pilot GMT Meteorite (40mm) needs 20 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.
Can the strap on the Ball Watch Roadmaster Roadmaster Pilot GMT Meteorite (40mm) 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 Ball Watch Roadmaster Roadmaster Pilot GMT Meteorite (40mm)?
Yes, in 20 mm leather. On a case a calf strap works every day; if you want something more, alligator.
Which strap do you recommend for the Ball Watch Roadmaster Roadmaster Pilot GMT Meteorite (40mm)?
A 20 mm calf strap, for every day. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.
More Roadmaster
- Ball Watch Roadmaster DG3000A-S14CJ-BK20 mm
- Ball Watch Roadmaster DG3038A-S9CJ-MSL20 mm
- Ball Watch Roadmaster Roadmaster Challenger Power Reserve20 mm
- Ball Watch Roadmaster Roadmaster M Model A (41mm)20 mm
- Ball Watch Roadmaster Roadmaster Marine GMT (40mm)20 mm
- Ball Watch Roadmaster Roadmaster Marine GMT (42mm)20 mm
- Ball Watch Roadmaster Roadmaster Marine GMT Moon Phase (42mm)20 mm
- Ball Watch Roadmaster Roadmaster Marvelight Bronze (43mm RRM 7309-C)21 mm
More Ball Watch in 20 mm
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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





