Mühle Glashütte · Terrasport

Strap for Terrasport I Chronograph Black / 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 diameter44 mm
ReferenceM1-37-74-MB
FamilyTerrasport
MovementMühle Glashütte caliber MU 9413 hours, minutes, small seconds | date, day | Chronograph
Year2012
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 Terrasport M1-37-74-MB

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Terrasport M1-37-74-MB, seen from the bench

The Mühle Glashütte Terrasport features the automatic caliber MU 9413 with chronograph, date, and day of the week functions. The watch also has a small seconds subdial and 22mm lugs. The movement provides hour, minute, and chronograph indications with calendar complications.

Frequently asked questions

What is the lug width of the Mühle Glashütte Terrasport M1-37-74-MB?

The lug width (ansa measurement) of the Mühle Glashütte Terrasport M1-37-74-MB is 22mm. This dimension is measured as the internal distance between the lugs on the case and is essential for selecting compatible straps. Once confirmed, you can choose from hundreds of aftermarket options without fit compromises.

Which strap do you recommend for the Terrasport M1-37-74-MB?

For the Terrasport M1-37-74-MB, we recommend a vegetable-tanned leather strap (alligator or calf) for refined simplicity, or NATO cordura if outdoor use predominates. A Tuscan leather in vegetable tanning with Burnt Tobacco tone creates a warm pairing without excess, showcasing natural patina development over time. For intensive fieldwork under extreme conditions, a grey anthracite FKM rubber strap maintains the model's technical character.

How do you change the strap on a watch with 22mm lugs?

To change the strap on a 22mm lug watch, position the timepiece on a soft pad with the dial facing downward. Use a spring bar tool to gently release the pressure spring inside the lug holes. Insert the flat tip to push the bar inward, freeing it from its seat. Remove the old strap, align the new one's bars with the lugs, and press firmly until you feel the spring click into position.

What aftermarket straps are compatible with the M1-37-74-MB?

The Mühle Glashütte Terrasport M1-37-74-MB with 22mm lugs is compatible with any 22mm strap manufactured to international standards. Milano Straps offers a comprehensive selection: Tuscan vegetable-tanned leather, alligator, shell cordovan, NATO cordura straps, FKM rubber bands, and fabric options. Each strap is tested to ensure perfect fit on the lugs without forcing.

How long does a vegetable-tanned leather strap last on a sports watch like the Terrasport?

A vegetable-tanned leather strap on a sports watch like the Terrasport has an average lifespan of 2–4 years with daily wear under normal conditions. Durability depends on climate (humidity accelerates wear), frequency of use, and care: well-hydrated leather ages more gracefully. Unlike rubber straps, leather develops noble patina over time, increasing in character. When the strap wears, a simple 22mm replacement fully restores your watch.

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