Montblanc · Timewalker

Strap for TimeWalker Chrono Voyager UTC Anthracite / Bracelet

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
Reference107303
FamilyTimewalker
MovementMontblanc caliber MB 25.03 Additional 24 hours Hand (adjustable), 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 107303

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Timewalker 107303, seen from the bench

The Montblanc Timewalker 107303 is a 43mm stainless steel chronograph representing the contemporary evolution of the brand's exploratory heritage. Powered by the in-house Montblanc MB 25.03 automatic movement, it combines mechanical complexity with Swiss reliability, featuring chronograph, small seconds, date function, and adjustable 24-hour hand. The 22mm lug width accommodates the bracelet on this technical-sport timepiece designed for contemporary explorers.

Frequently asked questions

What is the lug width of the Montblanc Timewalker 107303?

The Montblanc Timewalker 107303 features 22mm lugs as standard specification. This <a href="/pages/termine-glossario/misura-ansa">lug width</a> is universal, allowing compatibility with any aftermarket strap of the same size. Wide availability ensures extensive choice across leather types, textures, and colour options through specialist retailers such as Milano Straps.

What is the best strap choice for the Montblanc Timewalker 107303?

We recommend vegetable-tanned leather straps of premium quality, such as Italian full-grain Tuscan leather dyed throughout the material. The technical-sport aesthetic of the Timewalker dialogues perfectly with the natural character and authentic patina development of artisanal leather. Alternative options include heavyweight cotton NATO webbing for field use and vulcanised rubber for aquatic environments. Selection depends on intended application: everyday elegance versus extreme durability.

How do I change the strap on my Montblanc Timewalker 107303?

Strap replacement is straightforward. Obtain a spring bar tool with a flat-end tip. Insert the tool beneath one lug spring pin, apply gentle downward pressure to compress the internal spring, and slide the pin from the strap. Repeat on the opposite side. Install the new strap by reversing the process: feed the spring pins through the strap slots and press firmly until the safety click engages. Never use hammers or improvised metal tools.

Can I use non-original aftermarket straps on my Timewalker 107303?

Absolutely. The 22mm <a href="/pages/termine-glossario/misura-ansa">lug width</a> is universal and compatible with any aftermarket strap of identical size. Artisanal aftermarket straps frequently surpass originals in longevity and aesthetic character development. Always verify that your chosen strap accommodates 22mm lugs and that the spring bars themselves are stainless steel compatible with your watch case.

What is the typical lifespan of a leather strap on the Montblanc Timewalker 107303?

A premium vegetable-tanned leather strap typically endures 3–5 years with daily wear and appropriate maintenance. Lifespan varies according to climate humidity, sunlight exposure, and frequency of use. Vegetable-tanned leather develops noble patina and character over time. To extend longevity, apply protective balms every six months, avoid prolonged immersion, and dry promptly after water contact. Replacement remains simple and economical due to universal 22mm compatibility.

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