Lang & Heyne · Friedrich August 1.

Strap for Friedrich August 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 diameter44 mm
ReferenceFA1 Variation 1
FamilyFriedrich August 1.
MovementLang & Heyne caliber L&H Caliber 1 Hours, Minutes, Small Seconds
CaseRose 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 Friedrich August 1. FA1 Variation 1

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Friedrich August 1. FA1 Variation 1, seen from the bench

The Friedrich August 1. represents the flagship model of the German manufacturer Lang & Heyne. It is equipped with the in-house L&H Caliber 1 with hours, minutes and small seconds indication. The watch features a classic three-hand configuration with a subsidiary seconds display.

Frequently asked questions

What is the lug width of the Lang & Heyne Friedrich August 1. FA1 Variation 1?

The lug width of the Lang & Heyne Friedrich August 1. is 20mm. This dimension represents the internal width between the two lugs that hold the strap. It is essential to verify this specification before purchasing an aftermarket strap to ensure perfect compatibility and correct installation without damage to the case horns.

Which type of strap is most suitable for the Lang & Heyne Friedrich August 1.?

The Friedrich August 1., with its rose gold case and classically contemporary design, pairs ideally with superior quality leather straps. An alligator strap with vegetable tanning or shell cordovan strap enhances formal elegance, whilst a brown or burgundy calf leather offers daily versatility. For those seeking dynamism, a canvas NATO or FKM rubber strap guarantee comfort and practicality.

How do I change the strap on the Lang & Heyne Friedrich August 1.?

Strap changing is performed by removing the spring bars that secure the strap to the case lugs. Use a dedicated spring bar tool, a small metal lever designed to compress the bar and extract it from its seat. Position the tool beneath the spring bar, apply gentle and lateral pressure, and the bar will disengage, allowing the old strap to be removed and a new one fitted.

Can an aftermarket strap compatible with 20mm lug width be used on the Lang & Heyne Friedrich August 1.?

Yes, any strap with a 20mm lug width is compatible with the Lang & Heyne Friedrich August 1. The Milano Straps collection offers an extensive selection of artisanal 20mm straps, crafted from superior leather, NATO, rubber and other finishes. Before purchase, it is advisable to verify the case width to ensure harmonious visual proportions between strap and watch.

What is the lifespan of a natural leather strap on the Lang & Heyne Friedrich August 1.?

The durability of a natural leather strap depends on intensity of use, climatic conditions and material quality. A vegetable-tanned leather or shell cordovan strap of artisanal quality can last 5–10 years with moderate daily wear. Natural wear, such as colour variation and progressive elasticity, forms part of the intentional patina of these materials. Regular maintenance, such as leather hydration and periodic rest, significantly extends the strap's useful life.

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