Montblanc · Timewalker

Strap for Timewalker Chronograph Automatic 4810 Black / Red Gold Numerals

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter43 mm
Reference101548
FamilyTimewalker
MovementMontblanc caliber 4810/502 hours, minutes, small seconds | date | Chronograph
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 Timewalker 101548

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Timewalker 101548, seen from the bench

The Montblanc Timewalker is powered by the caliber 4810/502 with functions of hours, minutes, small seconds, date, and chronograph. The reference model 101548 features 22mm lugs. The movement offers the chronograph complications integrated into the Montblanc manufacture caliber.

Frequently asked questions

What is the lug width of the Montblanc Timewalker 101548?

The lug width of the Montblanc Timewalker 101548 is 22mm. This measurement represents the space between the case lugs where the strap is inserted. It is essential to measure it correctly before ordering an aftermarket strap, by positioning a ruler parallel to the dial and reading the value in millimetres without confusing the lug width with the strap width.

What is the best strap for the Montblanc Timewalker 101548?

The best strap depends on its intended use. For daily elegance, we recommend Tuscan leather in tobacco brown or black with an integrated deployment clasp. For sports use, a cordura NATO keeps the chronograph legible and resistant. For formal occasions, black calf or alligator offer a regular surface and a patina that evolves over time.

How do you change the strap on the Montblanc Timewalker 101548?

Strap replacement requires a spring bar tool, a small curved instrument that, when inserted between the lug and strap, allows you to compress the internal spring of the spring bar. Once compressed, the strap slides off easily. Reverse the procedure with the new strap, ensuring the spring bar is fully seated. If you do not have the tool, consult a professional watchmaker.

Is there an aftermarket strap compatible with the Montblanc Timewalker 101548?

Yes, any strap with a 22mm lug width is compatible with the Timewalker 101548. Milano Straps offers a specialised collection of artisanal leather, NATO and FKM rubber straps, all customisable according to your preferences for colour, texture and clasp. Compatibility is guaranteed, as is construction quality.

How long does a leather strap last on the Montblanc Timewalker 101548?

A quality leather strap, if properly maintained, lasts approximately 3-5 years with daily use. Longevity depends on the tanning method (vegetable tanning is more durable), thickness (4.5mm is the robust standard) and ambient humidity. A light, natural patina does not compromise functionality; rather, it adds character. We recommend avoiding prolonged immersion and drying the strap after water contact.

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