Technical Archive

Montblanc
Tradition 112609— lug 20mm

Montblanc Tradition 112609: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Tradition Date Automatic 40mm

Artisanal Note

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

Technical Specifications

Montblanc 112609
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

112609

Movement

Montblanc caliber MB 24.17 Hours, Minutes, Seconds | Date

The Heritage

The Montblanc Tradition reference 112609 features the automatic MB 24.17 caliber with hour, minute, second and date indications. The case has 20mm lugs for the strap. The movement offers the essential watchmaking functions with date complication.

FAQ

What is the lug width of the Montblanc Tradition 112609?

The Montblanc Tradition 112609 features a lug width of 20mm, an essential specification for sourcing compatible aftermarket straps. This measurement is precise and corresponds to the internal horizontal distance between the two integrated lugs.

What is the best strap for the Montblanc Tradition 112609?

The choice depends on your intended use. For formal occasions, a premium alligator strap amplifies the aesthetic refinement of the brushed steel case. For daily versatility, vegetable-tanned leather offers natural patina development and texture richness. NATO straps provide effortless rotation, whilst rubber represents contemporary sport-casual functionality.

How do I change the strap on the Montblanc Tradition 112609?

Strap replacement is performed via spring bars seated within the integrated lugs. Using a dedicated spring bar tool, compress the spring mechanism and extract the bar, releasing the original strap. Insert the new strap following the same procedure, ensuring the spring bar seats correctly. Handle the case with care to avoid scratching the brushed finish.

Can I use a premium aftermarket strap on this Montblanc?

Yes, absolutely. Aftermarket straps measuring 20mm are entirely compatible with the Montblanc Tradition 112609. The quality of the result correlates with material choice and manufacturing standards: an exceptional alligator or leather transforms the wearing experience without compromising comfort or longevity.

How long does a leather strap last on this watch?

Leather strap longevity depends on usage intensity and material quality. Premium alligator or vegetable-tanned leather worn daily typically remains serviceable for 5-7 years before requiring replacement. Natural patina development enriches aesthetics progressively. Environmental factors—humidity, perspiration, UV exposure—accelerate natural ageing.