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Montblanc · Heritage

Strap for Heritage Spirit Moonphase 41mm Stainless Steel Bracelet

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

19mm
19 mm strapsAll Montblanc
Lug width19 mm
Case diameter41 mm
Reference111621
FamilyHeritage
MovementMontblanc caliber MB 29.14 hours, minutes, seconds | date | moonphase
Year2014
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Heritage 111621

Selected for the 19 mm lug width · workshop selection

All 19 mm straps →

The Heritage 111621, seen from the bench

The Montblanc Heritage reference 111621 features the MB 29.14 caliber with hour, minute, second, date and moonphase indications. The watch has 19mm lugs and an integrated moonphase complication in the dial. The movement offers the essential complications in a classic three-hand configuration.

Frequently asked questions

What is the lug width of the Montblanc Heritage 111621?

The lug width of the Montblanc Heritage 111621 is precisely 19 millimetres. This dimension is determined by the distance between the spring bars that secure the strap. It is a rare measurement in contemporary watchmaking, which means the aftermarket strap offering is highly curated and selective.

What is the best strap for the Montblanc Heritage 111621?

The ideal strap depends on your use case and personal style. For formal occasions, vegetable-tanned alligator or shell cordovan offers maximum sophistication with natural ageing. For daily wear, grained calf provides durability and visual dynamism. For water sports, rubber with a dedicated deployante is the optimal technical solution. Every choice must consider proportional harmony with the 41mm case diameter.

How do I change the strap on the Montblanc Heritage 111621?

Strap replacement is a straightforward operation but requires specific tools (spring bar tool or dedicated extractor). Locate the metal pins at 3 and 9 o'clock positions on the case, use the tool to gently compress the pin and remove the worn strap. Insert the new 19mm strap, aligning the lug with the prepared holes, compress the pin until fully seated. If uncertain, consult a professional watchmaker to ensure precision.

Which aftermarket straps are compatible with the 111621?

All straps with a 19mm lug width are compatible. MilanoStraps offers a carefully curated selection: alligator, shell cordovan, calf in various textures, technical NATO fabrics, and sport rubber. Each is tested for constructive compatibility with the 111621 lugs. The dedicated online section allows you to choose by material, colour, and texture, guaranteeing artisanal manufacturing quality.

How long does a leather strap last on the Montblanc Heritage 111621?

Durability depends on material, tanning method, and usage intensity. Vegetable-tanned alligator or shell cordovan typically lasts 5–7 years of daily wear, with the patina improving aesthetically over time. Classic calf has similar longevity but with more dynamic texture evolution. Rubber offers greater longevity (10+ years) but without the aesthetic character development of leather. Regular maintenance (cleaning, annual conditioning) significantly extends the operational life of any strap.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only