Technical Archive

Nomos Glashütte
Ludwig 252— lug 20mm

Nomos Glashütte Ludwig 252: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Ludwig Automatik Anthazit

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Nomos Glashütte 252
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

252

Movement

Nomos Glashütte caliber Epsilon Hours, Minutes, Small Seconds

The Heritage

The Nomos Glashütte Ludwig features the Epsilon caliber with hours, minutes and small seconds indication. The watch has 20mm lugs and maintains the characteristic Bauhaus design of the German brand. The movement offers the essential functions in a three-hand configuration.

FAQ

What is the exact lug width of the Nomos Glashütte Ludwig 252?

The Nomos Glashütte Ludwig 252 features a 20-millimetre lug width. This measurement is the free space between the two metal protrusions that secure the strap to the case. It is essential to verify that any aftermarket strap has exactly 20 mm width, otherwise it will not be compatible with the watch's lugs.

Which is the best strap to pair with the Nomos Ludwig 252?

There is no single 'best' strap, but rather choices that depend on your usage. For formal contexts, vegetable-tanned alligator or cognac-brown calf maintain coherence with Bauhaus aesthetics. For daily sporty use, a navy blue nylon NATO offers versatility. For those desiring natural patina development, vegetable-tanned calf ages magnificently, developing warm hues over time.

How do you change the strap on the Nomos Ludwig 252?

The strap is secured by two pins (spring bars) that pass through the lugs. To remove it, you need a specialised tool (spring bar remover) to push the pins laterally and free the strap from the case. The operation requires delicacy to avoid scratching the stainless-steel case. If you are not experienced, we recommend consulting a specialist watchmaker.

Is an aftermarket 20mm strap always compatible with the Ludwig 252?

Theoretically yes, if the lug width is precisely 20 mm. However, construction quality varies considerably: budget straps may exhibit irregular stitching, insufficient leather thickness, or crude finishing. For the Ludwig, we recommend artisans working with quality leathers (vegetable-tanned calf, alligator, shell cordovan) and paying meticulous attention to constructive details such as the inner keeper and double stitching.

How long does a natural leather strap last on the Nomos Ludwig 252?

Durability depends on leather quality and intensity of use. A good-quality vegetable-tanned calf strap typically lasts 2-4 years with daily wear. Leather ages developing natural cracks, patina, and colour variations. If the strap is naturally dyed and maintained regularly (cleaned with a damp cloth, kept dry), longevity increases. Shell cordovan straps can last 5-6 years whilst maintaining flexibility.