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Strap for Ball Watch Engineer Engineer III Pioneer II (36mm)

The Ball Watch Engineer Engineer III Pioneer II (36mm) takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

  • 4.8 out of 5 · 269 reviews
  • Ships in 1–3 working days
  • Worldwide shipping
  • 30-day returns
  • 12-month warranty on manufacturing defects
  • Hand-stitched in Milan

Lug width

20mm
20 mm strapsAll Ball Watch
Not sure about the right strap, or can't find your watch?Message me on WhatsApp
Lug width20 mm
ReferenceEngineer III Pioneer II (36mm)
FamilyEngineer
Water resistance100

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Standard spring bar · length 20 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Ball Watch Engineer Engineer III Pioneer II (36mm) — watch

Straps for the Engineer Engineer III Pioneer II (36mm)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

What length do I need?

Measure your wrist with a tailor's tape or a piece of string, comfortably snug.

Wrist circumferenceLength (long side / short side)
15.0–16.4 cm120 / 70 mm
16.5–17.8 cm125 / 75 mm
17.9–19.0 cm130 / 80 mm
19.1–20.3 cm135 / 85 mm
20.4–21.6 cm140 / 85 mm
21.7–22.9 cm145 / 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 Engineer Engineer III Pioneer II (36mm)

What strap size does the Ball Watch Engineer Engineer III Pioneer II (36mm) take?

The Ball Watch Engineer Engineer III Pioneer II (36mm) 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 Engineer Engineer III Pioneer II (36mm) 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 Engineer Engineer III Pioneer II (36mm)?

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 Engineer Engineer III Pioneer II (36mm)?

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.

For changing the strap

Classic Strap and Bracelet Removal Tooltwo-tip spring bar tool→Milano Straps Premium Swiss Standard Watch Bucklestang buckle, steel or PVD→Leather Conditioner Milano Strapsnourishes and protects the strap→Casati Milano Rectangular Epsom Leather Travel Case — Brownfor the watch and spare 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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only

The atelier's website: casatimilano.com

Updated on · by Antonio Zichichi