Technical Archive

Montblanc
Heritage 110714— lug 18mm

Montblanc Heritage 110714: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Heritage Spirit Perpetual Calendar Red Gold

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Montblanc 110714
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

110714

Movement

Montblanc caliber MB 29.15 Hours, Minutes, Small Seconds | Date, Day, Leap Year, Month, Perpetual Calendar | Moonphase

The Heritage

The Montblanc Heritage reference 110714 is equipped with the automatic calibre MB 29.15 with complete perpetual calendar including day, date, month and leap year indication, as well as moon phases. The movement offers hours, minutes, small seconds and high-end complications. 18mm lug width for the strap.

FAQ

What is the lug width of the Montblanc Heritage 110714?

The lug width of the Montblanc Heritage 110714 is 18mm. This measurement is determined by the constructive proportions of the 39mm case and must be measured from lug to lug, excluding any decorative elements or protrusions. Verifying this dimension before purchasing an aftermarket strap ensures precise compatibility.

Which strap is best suited for the Heritage 110714 in rose gold?

For the Heritage 110714 in rose gold, alligator leather represents the most refined choice: the natural grain visually complements the luminosity of rose gold, creating elegant material contrast. Alternatively, vegetable-tanned calf leather offers contemporary simplicity and develops a prized patina over time, maintaining aesthetic refinement in any context.

How do you change the strap on the Montblanc Heritage 110714?

Changing the strap is achievable manually in 30 seconds without specialised tools. Simply locate the spring bars (elastic pins) at the case extremities, gently press the spring downward and slide the old strap outward. Insert the new strap ensuring that the 18mm lug width guarantees precise fit without lateral play.

Can an aftermarket compatible strap be used with the Heritage 110714?

Yes, an aftermarket strap with 18mm lug width is compatible with the Heritage 110714. It is important to verify that the strap is of certified quality and that the width is exact: excessive tolerances—either too loose or too tight—could compromise fit or damage the spring bars. Alligator, vegetable-tanned calf, NATO, and rubber straps are compatible.

How long does a leather strap last on the Heritage 110714?

A premium quality leather strap (alligator or vegetable-tanned calf) typically lasts 3–5 years with daily wear, with variation depending on climate, perspiration, and maintenance. Regular maintenance—light cleaning with a damp cloth, annual conditioning with dedicated creams—extends durability. The patina that develops over time is a desirable characteristic that enriches the overall aesthetic of the watch.