A. Lange & Söhne · Lange 1

Strap for Kleine Lange 1 White Gold / Grey

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

Lug width19 mm
Case diameter37 mm
Reference181.038
FamilyLange 1
MovementA. Lange & Söhne caliber L121.1 Hours, Minutes, Small Seconds | Big Date | Power Reserve Indicator
CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

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

Straps for the Lange 1 181.038

Selected for the 19 mm lug width · workshop selection

All 19 mm straps →

The Lange 1 181.038, seen from the bench

The Lange 1 was introduced in 1994 as the first model of the revival of A. Lange & Söhne after the German reunification. It is powered by the in-house caliber L121.1 manual-winding movement with power reserve indicator, small seconds, and big date. The lugs measure 19mm in width.

Frequently asked questions

What is the lug width of the A. Lange & Söhne Lange 1 181.038?

The lug width of the A. Lange & Söhne Lange 1 181.038 is 19mm. This dimension represents the internal space between the case lugs and determines compatibility with aftermarket straps. It is essential to measure the lugs with a digital calliper to ensure that the chosen strap fits correctly without excessive play or structural tension.

What is the best strap for the Lange 1 181.038?

For the Lange 1 181.038, the best strap depends on intended use. Dark brown alligator represents the most refined aesthetic choice, with natural patina enriching the white gold over time. For everyday durability, shell cordovan offers exceptional robustness and superior lustre. For versatile elegance, vegetable-tanned calf combines elasticity and character development. The choice should consider both the watch's aesthetic and the intended purpose.

How do you change the strap on an A. Lange & Söhne watch?

To change the strap on an A. Lange & Söhne Lange 1, use a spring bar removal tool. Position the watch on a flat surface, gently insert the flat end of the tool into the rear lug to lift the spring bar and remove the strap. Reverse the procedure to install the new strap. If uncertain about the procedure, it is advisable to entrust the task to a professional watchmaker.

Are compatible aftermarket straps available for the 181.038?

Yes, quality aftermarket straps are available for the 181.038, provided the lug width is respected (19mm). Milanostraps.it offers a collection of artisanal 19mm straps in alligator, vegetable-tanned calf, and shell cordovan. The 18-month warranty on manufacturing defects covers strap integrity and stitching, guaranteeing quality comparable to manufacturer proposals.

How long does a natural leather strap last on a watch like the Lange 1?

The lifespan of a natural leather strap depends on usage intensity, climate conditions, and maintenance. A quality artisanal alligator or calf strap typically lasts 3-5 years of daily wear before replacement, whilst shell cordovan can reach 6-8 years due to fibre density. The patina and character the leather develops over time enhance aesthetic appeal, even after years of use. Storing the watch in a dry location and occasionally cleaning the strap with a damp cloth significantly extends longevity.

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