Technical Archive

Montblanc
Heritage 112536— lug 20mm

Montblanc Heritage 112536: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Heritage Chronométrie Quantième Annuel Vasco Da Gama

Artisanal Note

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

Technical Specifications

Montblanc 112536
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

112536

Movement

Montblanc caliber MB 29.18 Hours, Minutes, Seconds | Date, Annual Calendar, Day, Month | Moonphase

The Heritage

The Montblanc Heritage 112536 is a 40mm stainless steel watch featuring the automatic MB 29.18 caliber with chronographic functions, annual calendar, day-month display, and moonphase. The 20mm lug width ensures broad compatibility with quality aftermarket straps while maintaining elegant proportions. German watchmaking precision characterizes every detail, from the bezel to the caseback, balancing functional rigor with refined craftsmanship.

FAQ

What is the lug width of the Montblanc Heritage 112536?

The lug width of the Montblanc Heritage 112536 is 20mm. This measurement represents the distance between the two spring bars that attach the strap to the case. A compatible strap must have exactly 20mm width to fit correctly without lateral play.

What is the best strap for the Montblanc Heritage 112536?

The choice depends on your intended use. For formal occasions, we recommend alligator with vegetable tanning, which enhances the German sophistication of the steel case. For daily wear, robust calf leather with natural patina offers warm aesthetics and durability. For sporty versatility, a heavy canvas NATO guarantees absolute practicality. For humid environments or water activities, technical rubber is unbeatable.

How do I change the strap on my Montblanc Heritage 112536?

You will need a quality spring bar tool. Position the tool under the strap pin from the inside, applying firm pressure to compress the internal spring. Once the pin is extracted, the strap disengages. For installation, align the new strap and insert the pin into the case seat, ensuring it is securely fastened on both sides.

Is an aftermarket quality strap compatible with my 112536?

Yes, provided it respects the 20mm lug width and is constructed with precise manufacturing tolerances. Milano Straps offers artisanal straps specifically engineered for 20mm attachment, guaranteeing ideal visual continuity and total mechanical stability, with no compromise on construction quality.

How long does a leather strap last on the Montblanc Heritage 112536?

A quality artisanal leather strap has a lifespan varying between 3 and 6 years, depending on use, rotation frequency, ambient humidity and maintenance. Vegetable-tanned leather develops a natural patina that tells the story of time lived. Avoid prolonged moisture, rapid drying and excessive mechanical stress to preserve fibre integrity.