A. Lange & Söhne
1815 233.025— lug 20mm
A. Lange & Söhne 1815 233.025: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
A. Lange & Söhne 233.025The essential strap measurement.
Browse 20mm straps →233.025
A. Lange & Söhne caliber L051.1 Hours, Minutes, Small Seconds
The Heritage
Compatible Straps
Selected for the 20mm lug width of the 1815
FAQ
What is the lug width of the A. Lange & Söhne 1815 233.025?
The lug width of the A. Lange & Söhne 1815 233.025 is 20mm. This measurement corresponds to the distance between the inner edges of the two metal lugs located at the bottom of the case. To verify correctly, position a rigid ruler between the attachment points and measure with precision: a compatible strap must have exactly 20mm width.
Which strap material is most suitable for the A. Lange & Söhne 1815 233.025?
For the 233.025 in platinum, alligator remains the most coherent choice with Saxon watchmaking philosophy: its natural grain and ability to develop patina over time dialogue perfectly with the platinum case. High-quality calf leather with vegetable tanning is the ideal alternative for those preferring more understated tones and a strap that ages elegantly. Shell cordovan represents the most durable solution for intensive use.
How do I change the strap on an A. Lange & Söhne 1815 233.025?
To change the strap, obtain a dedicated spring bar removal tool (the small springs located in the lugs). Position the watch with the platinum case facing downwards, apply light and consistent pressure on the end of the spring bar until it retracts slightly, then extract the strap. Repeat on the other side. Never use screwdrivers or pointed tools that could scratch the platinum. If uncertain, consult a qualified watchmaker.
Can I use an aftermarket compatible strap on an A. Lange & Söhne 1815 233.025?
Yes, an artisanal quality aftermarket strap is completely compatible with the 233.025 provided it strictly respects the 20mm lug width. Ensure the lugs are not slightly deformed and that the strap is made from durable materials (alligator, vegetable-tanned calf, shell cordovan). A well-constructed artisanal strap not only remains compatible but often enhances the daily wearing experience.
How long does a leather strap last on an A. Lange & Söhne 1815 233.025?
Durability depends on material and usage. High-quality alligator or shell cordovan with authentic vegetable tanning last 5-7 years in daily use, developing natural patina that increases aesthetic appeal. Aniline calf leather has similar durability. With proper maintenance — avoiding prolonged immersion and excessive humidity — strap life extends significantly. Casati Milano provides straps with an 18-month warranty against manufacturing defects.
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 →By appointment only · Milan
The atelier's website: casatimilano.com