A. Lange & Söhne · Lange 1

Strap for Grand Lange 1

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter41 mm
Reference117.021
FamilyLange 1
MovementA. Lange & Söhne caliber L095.1 Hours, Minutes, Small Seconds | Big Date
CaseYellow 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 1 117.021

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Lange 1 117.021, seen from the bench

The Lange 1 was introduced in 1994 as the first model of the revival of A. Lange & Söhne after German reunification. It is equipped with the in-house manual-winding caliber L095.1 with hour, minute, small second and large date display, characteristic of the brand. The reference 117.021 features an asymmetric dial layout with off-center seconds subdial and large date window.

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