Montblanc · Timewalker

Strap for TimeWalker Date Automatic 4810 42 Silver / 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 diameter42 mm
Reference101550
FamilyTimewalker
MovementMontblanc caliber 4810/100 Hours, Minutes, 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 Timewalker 101550

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Timewalker 101550, seen from the bench

The Montblanc Timewalker is equipped with the automatic caliber 4810/100 featuring hours, minutes, seconds and date indications. The watch has 22mm lugs and is part of the Swiss brand's sports collection. The automatic movement ensures the essential timekeeping functions.

Frequently asked questions

What is the exact lug width of the Montblanc Timewalker 101550?

The Montblanc Timewalker 101550 features a lug width of 22mm, measured from the inside of one lug attachment to the inside of the other. This dimension is fixed and essential for ensuring compatibility with any aftermarket strap of quality.

Which strap should I choose for the Montblanc Timewalker 101550?

For a chronograph of this calibre, we recommend Tuscan leather with vegetable tanning in warm tones (tobacco brown, cognac), genuine alligator for formal occasions, or structured nylon NATO for sports use. Your choice depends on primary usage and the chromatic palette you desire.

How do I change the strap on my Montblanc Timewalker 101550?

Strap replacement is accomplished using the spring bars positioned at the lug attachments. Gently remove the original strap by pushing the spring bar inward with a flat tool, then insert the new strap and release the bar. The operation requires care but no specialist skills.

Are aftermarket straps truly compatible with the Montblanc Timewalker 101550?

Yes, provided they respect the 22mm lug width specification. Artisanal straps of superior quality—leather, alligator, rubber—are perfectly compatible with your 101550, offering aesthetic and material alternatives to the original strap, often with greater breathability and character.

How long does a leather strap last on the Montblanc Timewalker 101550?

A premium leather strap (Tuscan vegetable-tanned leather or genuine alligator) typically lasts 3-5 years with daily use, depending on frequency and care. Patina develops naturally, creating biological uniqueness. Longevity depends on leather quality and maintenance: avoid prolonged moisture and store the strap in a dry environment.

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