Staudt · Praeludium Hand Wound

Strap for Praeludium Hand Wound

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter43 mm
ReferenceP11.031-A01
FamilyPraeludium Hand Wound
MovementIsoProg caliber IP 12 Hours, Minutes, Small Seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Praeludium Hand Wound P11.031-A01

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Praeludium Hand Wound P11.031-A01, seen from the bench

The Praeludium Hand Wound features the manual-winding IsoProg IP 12 caliber with hours, minutes and small seconds indication. The watch has 22mm lugs and a three-register configuration with subsidiary seconds. The mechanical movement requires daily manual winding for optimal performance.

Frequently asked questions

What is the lug width of the Staudt Praeludium Hand Wound P11.031-A01?

The lug width of the Staudt Praeludium Hand Wound P11.031-A01 is 22mm. This measurement, also referred to as lug-to-lug distance, represents the internal spacing between the two lugs on the case. It is essential to respect this exact specification when selecting a strap to ensure perfect fit without play or constriction.

What is the best strap option for the Praeludium Hand Wound?

The optimal strap choice depends on intended use and aesthetic preference. For formal contexts, alligator with vegetable tanning or shell cordovan amplify the sophistication of the visible movement. For daily wear, structured calf leather or technical rubber offer practicality and durability. A cotton-nylon NATO represents the most versatile and casual option. The ideal choice emphasises the minimalist and transparent character of the timepiece.

How do you change the strap on the Staudt Praeludium Hand Wound?

Strap replacement is accomplished using the spring bars located on the case lugs. Employ a dedicated spring bar tool to gently press the release mechanism on one side, extracting the bar. Repeat on the opposite lug. Insert the new strap by aligning the holes with the free posts and ensure the spring bar clicks into position. The entire operation requires only a few minutes and no specialist knowledge.

Which aftermarket straps are compatible with the P11.031-A01?

All straps with 22mm lug width are compatible, regardless of material: calf leather, alligator, shell cordovan, Tuscan leather with vegetable tanning, NATO, rubber and technical fabric straps. Milano Straps offers a curated selection of artisanal 22mm straps in Italian and international leather, specifically designed to enhance the sophistication of the IsoProg caliber IP 12 movement.

How long does a leather strap typically last with daily wear?

Leather strap longevity varies significantly according to material quality and usage conditions. Artisanal vegetable-tanned leather typically withstands 3-5 years of daily wear whilst developing a distinctive patina that enhances aesthetic appeal. Shell cordovan is renowned for exceptional durability, frequently exceeding 7-10 years. Variables such as humidity, sun exposure and frequency of use directly influence preservation. Regular maintenance, including cleaning and conditioning, substantially extends strap lifespan.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only