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 2
FamilyFriedrich August 1.
MovementLang & Heyne caliber L&H caliber 1 hours, minutes, small seconds
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 Friedrich August 1. FA1 Variation 2

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Friedrich August 1. FA1 Variation 2, seen from the bench

The Lang & Heyne Friedrich August 1. Variation 2 is a white gold wristwatch with a 43.50mm case diameter and 20mm lug width, housing the Lang & Heyne Caliber 1 movement with hours, minutes and small seconds. The circular case is entirely forged in white gold, with Glashütte finishing including perlage, Côtes de Genève and satin polishing, visible through a sapphire caseback. The modular case structure enables easy maintenance and exceptional longevity, with each component replaceable without compromising the watch's integrity.

Frequently asked questions

What is the lug width of the Lang & Heyne Friedrich August 1. FA1 Variation 2?

The lug width of the Friedrich August 1. FA1 Variation 2 is 20mm. This specific width is proportioned to the 43.50mm case diameter and ensures a balanced transition between the white gold case and the strap. Always verify that any aftermarket strap is compatible with this exact lug width before ordering.

What is the best strap for the Lang & Heyne Friedrich August 1. FA1 Variation 2?

For the Friedrich August 1. FA1 Variation 2 in white gold, we recommend straps in smoked alligator leather or aged shell cordovan, which create elegant chromatic contrast with the white metal whilst respecting the classical aesthetics of Saxon watchmaking. Alternatively, a charcoal silk NATO strap offers versatility and aesthetic protection. Selection depends on use case: ceremonial versus daily wear.

How do I change the strap on the Lang & Heyne Friedrich August 1. FA1 Variation 2?

The Friedrich August 1. FA1 Variation 2 uses a standard 20mm deployante. For strap replacement: 1) Position the watch horizontally; 2) Locate the lug pins on the case (two opposite pins); 3) Use a fine tool (dedicated spring bar tool or small flat screwdriver) to lift the spring bar; 4) Slide out the existing strap; 5) Insert the new strap and verify secure engagement. If inexperienced, entrust the operation to an authorised service centre.

Can I use an aftermarket strap compatible with 20mm lug width?

Yes, any strap with 20mm lug width is mechanically compatible with the Friedrich August 1. FA1 Variation 2, regardless of brand. However, we recommend selecting straps crafted from noble materials (vegetable-tanned leather, shell cordovan, structured textiles) to maintain aesthetic harmony with the white gold case. Our Milan-made straps are specifically curated for this compatibility.

How long does a leather strap last on the Lang & Heyne Friedrich August 1. FA1 Variation 2?

A premium leather strap (alligator, calf, shell cordovan) with vegetable tanning has an average lifespan of 3–5 years with daily use, and can extend to 7–10 years with occasional wear and regular maintenance (gentle cleaning, drying, conditioning with noble oils). The patina that develops over time is a desirable characteristic, not a defect. A technical NATO textile strap can last up to 10 years.

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