Junghans · Max Bill

Strap for Junghans Max Bill 027/4700.00

The Max Bill Automatic Silver 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 width20 mm
Case diameter38 mm
Reference027/4700.00
FamilyMax Bill
MovementJunghans caliber J800.1 Hours, Minutes, Seconds | Date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

What I'm asked about the Junghans Max Bill 027/4700.00

What strap size does the Junghans Max Bill 027/4700.00 take?

The Junghans Max Bill 027/4700.00 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 Junghans Max Bill 027/4700.00 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 Junghans Max Bill 027/4700.00?

Yes, in 20 mm leather. On a 38 mm case a calf strap works every day; if you want something more, alligator.

Which strap do you recommend for the Junghans Max Bill 027/4700.00?

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.

Straps for the Max Bill 027/4700.00

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Max Bill 027/4700.00, seen from the bench

The Max Bill features the Junghans J800.1 automatic caliber with indication of hours, minutes, seconds and date. The case is equipped with 20mm lugs. The movement offers essential functions in a classic three-hand format with a date display.

Frequently asked questions

What is the best strap for the Junghans Max Bill 027/4700.00?

For the Max Bill 027/4700.00, we recommend natural alligator with vegetable tanning (cognac or black) for uncompromising elegance, or vegetable-tanned calf that ages beautifully. For versatility, a cordura NATO is practical and reversible. For sport use, satinised FKM rubber maintains stylistic coherence whilst preserving functionality.

Can I use aftermarket compatible straps on my Max Bill 027/4700.00?

Yes, provided they respect the 20-millimetre lug width specification. Artisanal quality straps are not only compatible, but often enhance the aesthetic experience compared to original straps. Always verify the technical specifications of the product before purchase.

How long does a leather strap last on the Junghans Max Bill 027/4700.00?

A quality leather strap (alligator or vegetable-tanned calf) lasts 3–5 years under normal wear with regular maintenance. Exposure to humidity, direct heat and chemical contaminants reduce longevity. Avoid wetting the strap during swimming or bathing. Vegetable-tanned leather can be regenerated with periodic applications of shea butter.

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