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
ReferenceP11.022-A03
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 P11.022-A03

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Praeludium Hand Wound P11.022-A03, seen from the bench

The Staudt Praeludium Hand Wound P11.022-A03 is an independent German timepiece featuring the IsoProg caliber IP 12 manual-wind movement visible through the caseback. The 42.5mm stainless steel 316L case houses hours, minutes, and small seconds functions with 2.5 Hz frequency and ±10 seconds per day accuracy. The 22mm lug width accommodates a variety of leather and rubber straps, with precise positioning required for proper fit without lateral movement.

Frequently asked questions

What is the exact lug width of the Staudt Praeludium Hand Wound P11.022-A03?

The lug width of the P11.022-A03 is 22mm (±0.2mm). This measurement is taken on the internal surfaces of the lugs and is compatible with a broad range of artisanal straps in leather, rubber, and textile available in our catalogue.

Which type of strap is recommended for the Staudt Praeludium Hand Wound?

For this model, straps in Tuscan vegetable tannage leather (for patina development), shell cordovan (for durability and refinement), or vulcanised rubber for sports use are ideal. The choice depends on intended use: leather emphasises craftsmanship, whilst rubber and NATO offer daily practicality. Premium alligator remains the most elegant formal solution.

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

The Praeludium P11.022-A03 is equipped with straight lugs of 22mm. To change the strap: remove the old strap by sliding it out from the lugs using a dedicated tool or flat pin, then insert the new strap with light pressure until you feel mechanical resistance. Verify the strap remains concentric with the case without lateral movement.

Which aftermarket straps are compatible with the Staudt Praeludium Hand Wound?

All straps designed for 22mm lug width are compatible, provided they present an effective width of 22mm ±0.2mm. Milano Straps offers straps in Italian leather, alligator, shell cordovan, rubber, and NATO for this width; consult the 22mm strap collection catalogue to verify availability and specific characteristics.

What is the average lifespan of a leather strap for the Staudt Praeludium Hand Wound?

A vegetable-tanned leather strap, used daily, has an average lifespan of 2–3 years before replacement becomes necessary due to material fatigue. Shell cordovan, thanks to superior density, can last 4–5 years. Durability depends on use, exposure to moisture, and maintenance frequency. Regular maintenance with neutral oils significantly extends strap life.

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