Technical Archive

Nomos Glashütte
Club 730— lug 20mm

Nomos Glashütte Club 730: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Club Campus 38 Blue Purple

Artisanal Note

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

Technical Specifications

Nomos Glashütte 730
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

730

Movement

Nomos Glashütte caliber Alpha Hours, Minutes, Small Seconds

The Heritage

The Nomos Glashütte Club 730 embodies pure German watchmaking design with balanced proportions, clear legibility, and visible movement. The 38.50 mm stainless steel case houses the Nomos Glashütte Alpha automatic caliber, featuring hours, minutes, and small seconds at 9 o'clock, visible through the transparent caseback. The 20 mm lug width is the standard construction measure for this case diameter, ensuring proper strap passage without lateral protrusions.

FAQ

What is the lug width of the Nomos Glashütte Club 730?

The lug width of the Nomos Glashütte Club 730 is 20 mm. This measurement represents the distance between the two lateral lugs of the case and determines strap compatibility. It is the international standard for mid-sized watches such as the 730, which features a 38.50 mm diameter case.

Which strap is most suitable for a Nomos Club 730?

Alligator leather represents the premium choice for the Club 730, thanks to its natural texture which harmonizes elegantly with the watch's minimalist Bauhaus design. For everyday versatility, we recommend vegetable-tanned calf leather, which develops a compelling patina over time. A woven NATO strap in grey or slate blue offers an informal approach, whilst satin rubber is ideal for dynamic professional environments.

How do you change the strap on a Nomos Club 730?

Changing the strap on a Nomos Club 730 requires minimal tools: a spring bar tool. Locate the two lateral lugs on the case, insert the tool to compress the internal spring mechanisms of the pins, and extract the worn strap. Proceed in reverse to install the new 20mm strap, ensuring that the pins lock correctly into the case holes. Atelier Casati Milano can perform this service by appointment.

Is a 20mm aftermarket strap compatible with the Nomos Club 730?

Yes, any quality artisanal strap with a 20 mm lug width is compatible with the Club 730. We recommend verifying that the pins and springs are in optimal condition and that the strap is crafted with sartorial precision. milanostraps.it straps are specifically engineered for this measurement and guarantee full compatibility with the case architecture.

What is the lifespan of a leather strap for the Nomos Club 730?

The lifespan of a leather strap depends on tanning method and daily wear. A quality artisanal alligator or calf strap typically lasts 4-7 years with moderate use. Vegetable-tanned leather, being purer and more natural, requires periodic maintenance (neutral wax treatment). Humidity and prolonged sun exposure accelerate ageing. A woven NATO strap lasts indefinitely, being free of protein fibres subject to oxidation.