Technical Archive

Junghans
Max Bill 027/4501.00— lug 20mm

Junghans Max Bill 027/4501.00: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Max Bill Chronoscope Grey Day / Date

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Junghans 027/4501.00
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

027/4501.00

Movement

Junghans caliber J880.2 Hours, Minutes, Small Seconds | Date, Day | Chronograph

The Heritage

The Junghans Max Bill represents a reinterpretation of the watch designed by Bauhaus designer Max Bill in the 1950s. The model is equipped with the automatic caliber J880.2 with functions of hours, minutes, small seconds, date, day and chronograph. The case features 20mm lugs and maintains the essential lines characteristic of the original design.

FAQ

What is the lug width of the Junghans Max Bill 027/4501.00?

The lug width of the Junghans Max Bill 027/4501.00 is 20 millimetres. This measurement is the standard specification for this iconic model and is compatible with the extensive range of straps available on milanostraps.it. To verify the lug width, measure the distance between the two lugs using a digital calliper, positioning it from the inside of one lug to the inside of the other.

Which strap is most suitable for the Junghans Max Bill 027/4501.00?

The Junghans Max Bill 027/4501.00, with its minimalist Bauhaus design, pairs excellently with multiple options. A dark brown vegetable-tanned calf leather strap accentuates the white dial's severity; a dark blue or forest green NATO strap offers contemporary practicality; shell cordovan delivers elegance and longevity; a grey rubber strap ensures daily versatility. Your choice depends on intended use: formal, casual, or sportive.

How do you change the strap on the Junghans Max Bill 027/4501.00?

To change the strap on the Max Bill 027/4501.00, obtain a spring bar tool. Position the watch with the lugs facing upward, insert the tool into the lateral slot of the lug, gently compress the internal spring bar, and slide the old strap out from the attachments. Repeat for the opposite lug. Insert the new 20mm strap by aligning the holes with the lugs and press until the spring bar repositions securely.

Is the Junghans Max Bill 027/4501.00 compatible with aftermarket straps?

Yes, the Max Bill 027/4501.00 is entirely compatible with quality aftermarket straps, provided the lug width is exactly 20 millimetres. On milanostraps.it you will find a specialised selection of artisanal leather, NATO and rubber straps, all tested for compatibility and crafted with meticulous attention to detail. Always verify that the lug width is correct before purchase.

How long does a leather strap last on the Junghans Max Bill 027/4501.00?

The lifespan of a leather strap depends on usage intensity, tanning method and maintenance care. A vegetable-tanned calf strap, worn daily, maintains structural integrity for 2–3 years; shell cordovan, owing to superior density, can last 4–5 years or longer. Critical factors include sun exposure (causes fading), moisture (accelerates ageing) and constant pressure on the lugs. Using a deployant clasp reduces stress on the leather, significantly extending strap longevity.