Grönefeld · One Hertz

Strap for Grönefeld One Hertz one hertz 1896 one hertz

The Grönefeld One Hertz one hertz 1896 one hertz takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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  • Ships in 1–3 working days
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  • 30-day returns
  • 12-month warranty on manufacturing defects
  • Hand-stitched in Milan
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Lug width22 mm
Referenceone hertz 1896 one hertz
FamilyOne Hertz

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 22 mm · Ø 1.8 mm double flange · industry standard, no brand part number

Grönefeld One Hertz one hertz 1896 one hertz — watch

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 Grönefeld One Hertz one hertz 1896 one hertz

What strap size does the Grönefeld One Hertz one hertz 1896 one hertz take?

The Grönefeld One Hertz one hertz 1896 one hertz 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 Grönefeld One Hertz one hertz 1896 one hertz 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 Grönefeld One Hertz one hertz 1896 one hertz?

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

Which strap do you recommend for the Grönefeld One Hertz one hertz 1896 one hertz?

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 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

Updated on · by Antonio Zichichi