A. Lange & Söhne · Lange 1
Strap for Lange 1 White Gold / Grey
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Lange 1 101.030
Selected for the 20 mm lug width · workshop selection
Black Rubberized Alligator Strap with Red Tribal Stitching€185
Black Rubberized Alligator Strap with Blue Tribal Stitching€145
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
The Lange 1 101.030, seen from the bench
Frequently asked questions
What is the lug width of the A. Lange & Söhne Lange 1 101.030?
The lug width of the A. Lange & Söhne Lange 1 101.030 is 20 mm. This measurement is precise and does not admit variations: a strap that is narrower or wider will not fit correctly on the 38.50 mm case. The lug width represents the distance between the two lugs of the case where the strap is anchored.
What is the best material for a strap dedicated to the Lange 1 101.030?
Alligator leather with vegetable tanning is the preferred choice for the Lange 1 101.030, thanks to its natural texture and the patina that develops over time. French calf leather with fine grain is a more understated and minimalist alternative. Shell cordovan is recommended for those who desire leather with extraordinary density and brilliance that emerges after months of wear. FKM rubber (Viton) is appropriate for warm climates whilst maintaining formality.
How do you change the strap on an A. Lange & Söhne Lange 1 101.030?
The Lange 1 strap is changed using a specific tool (spring bar tool) and a magnifying lens. Position the watch with the case horizontal, locate the two lugs where the strap is anchored, and use the tool to gently push the pin that holds the strap. Work on a soft cloth to avoid scratching the white gold. If you are not experienced, entrust the strap change to a certified watchmaker.
Is an aftermarket strap compatible with the Lange 1 101.030?
Yes, any strap with a 20 mm lug width is physically compatible with the Lange 1 101.030. However, the construction quality must reflect the value of the watch: noble materials (alligator, high-quality calf, shell cordovan), impeccable finishes and quality buckles (preferably a deployant in white gold or steel) are essential. Custom-made artisan straps guarantee aesthetic and functional compatibility.
How long does a quality leather strap last on an A. Lange & Söhne?
A high-quality leather strap (alligator or calf with vegetable tanning) on an A. Lange & Söhne lasts between 4 and 7 years of regular use, developing a desirable patina over time. Durability depends on exposure to moisture, perspiration, UV rays and frequency of use. Periodic maintenance (gentle cleaning with a damp cloth, annual conditioning with neutral balm) extends the life of the strap. The standard warranty against manufacturing defects is 18 months.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
