A. Lange & Söhne · Lange 1

Strap for Lange 1 Yellow Gold

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

Lug width20 mm
Case diameter39 mm
Reference191.021 (aka: 191021)
FamilyLange 1
MovementA. Lange & Söhne caliber L121.1 hours, minutes, small seconds | big date | power reserve indicator
Year2015
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 1 191.021 (aka: 191021)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Lange 1 191.021 (aka: 191021), seen from the bench

The A. Lange & Söhne Lange 1 ref. 191.021 is a yellow gold watch with an asymmetrical dial featuring a large date at 12 o'clock, small seconds, power reserve indicator, and subsidiary dial for hours and minutes. The case measures 38.5 mm in diameter and houses the calibre L121.1, a Lange & Söhne manufacture movement with German silver three-quarter plate, hand-engraved platinum, gold-set jewels, and gold screws. The 20 mm lug width accommodates standard 1.5 mm spring bars.

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