Montblanc · Star

Strap for Star Classique Automatic White

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

Lug width19 mm
Case diameter39 mm
Reference107073
FamilyStar
MovementMontblanc caliber MB 24.08 hours, minutes, small seconds | date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Star 107073

Selected for the 19 mm lug width · workshop selection

All 19 mm straps →

The Star 107073, seen from the bench

The Montblanc Star reference 107073 is powered by the automatic caliber MB 24.08 with hour, minute, small seconds and date functions. The watch has 19mm lugs and an automatic power reserve mechanism. The movement provides essential indications through a classic three-register layout with date display.

Frequently asked questions

What is the lug width of the Montblanc Star 107073?

The Montblanc Star 107073 features lugs of 19 millimetres. This measurement represents the internal distance between the two lug contact points on the case and determines strap compatibility. It is essential to verify this measurement before purchasing an aftermarket strap.

What is the best strap for the Montblanc Star 107073?

The ideal strap depends on intended use: for formal settings, we recommend black or cognac alligator with vegetable tanning, which develop noble patina over time. For daily versatility, vegetable-tanned calf leather represents the authentic artisanal choice. For practicality, a high-density cotton NATO in dark grey or black maintains restrained elegance. FKM rubber offers the modern solution for frequent strap changes.

How do you change the strap on the Montblanc Star 107073?

The procedure requires specific tools: a spring bar tool or a small flat-head screwdriver. Gently insert the tool into the access hole beneath the lug, lift the spring bar, and slide out the old strap. Repeat on the opposite side. Position the new strap, compress the spring, and ensure it is completely engaged. If uncomfortable with the procedure, consult a professional watchmaker.

Is an aftermarket strap compatible with the Montblanc Star 107073?

Yes, provided the strap lug width is 19 millimetres. Compatibility depends entirely on measurement: any strap with this width attaches perfectly. We recommend straps from specialised suppliers who guarantee material quality and finishes that harmonise with the satin stainless steel case of the 107073.

How long does a leather strap last on the Montblanc Star 107073?

A quality artisanal calf leather strap with vegetable tanning typically lasts 5-7 years with moderate daily use, developing patina that enhances aesthetic character. Longevity depends on climate, humidity, and usage frequency. An alligator or shell cordovan strap is more robust and may last 8-10 years. Regular maintenance with appropriate products significantly extends strap lifespan.

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.

Request an appointment →

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