Strap for Club Campus U

The lug width of the Club 738.S4 is 20 mm. This dimension is specific to the model and is essential when selecting an aftermarket strap. Measurement is taken using digital callipers on the outer diameter of the spring bar tube. Do not confuse this with the distance between the case lugs, which may vary slightly.

The Club 738.S4 pairs excellently with three material categories: first, alligator or crocodile with vegetable tanning in tobacco brown or black, which preserves the Bauhaus aesthetic; second, vegetable-tanned calf leather that develops natural patina over time; third, sports rubber or NATO for casual configurations. Avoid synthetic glossy straps or those with prominent patterns that would conflict with the case's minimalist design.

To change the strap, use a dedicated spring bar removal tool to press the lug and extract the metal rings from the case lugs. Perform this operation on a soft, flat surface to avoid scratches. Insert the new strap by aligning the rings with the lugs and pressing until they click into place. If uncertain, consult a professional watchmaker.

Yes, all standard 20 mm straps are compatible with the Club 738.S4. It is important to verify that the straps are manufactured for this specific lug width. Milanostraps offers a comprehensive selection of 20 mm straps in premium materials and artisanal construction, perfectly suited to this model.

A high-quality leather strap with vegetable tanning, when regularly worn, typically lasts 3–5 years before replacement is needed. Longevity depends on usage (dominant wrist, humid environments, sun exposure) and maintenance. Vegetable-tanned leather ages beautifully, developing a rich patina. Protect from excessive moisture and clean regularly with a soft damp cloth to extend the strap's lifespan.