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
ReferenceP12.031-A02
FamilyPraeludium Hand Wound
MovementIsoProg caliber IP 12 hours, minutes, small seconds
CaseRose Gold

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 P12.031-A02

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Praeludium Hand Wound P12.031-A02, seen from the bench

The Staudt Praeludium Hand Wound features the manual-winding IsoProg IP 12 caliber with indication of hours, minutes and small seconds. The watch has 22mm lug width and reference P12.031-A02. The movement offers essential functions with traditional three-hand display.

Frequently asked questions

What is the lug width of the Staudt Praeludium Hand Wound P12.031-A02?

The lug width of the Staudt Praeludium Hand Wound P12.031-A02 is 22mm. This measurement must be taken perpendicularly from the inside of one lug to the inside of the other lug, excluding the lug holes entirely. The 22mm dimension is an intermediate standard that ensures broad compatibility with aftermarket straps without requiring adaptors.

Which strap is best suited for the P12.031-A02?

The ideal strap depends on the intended use and personal preference. For formal occasions, an alligator strap with vegetable tanning in dark brown undertones complements the rose gold case through its natural texture. For versatility, a smooth-grained calf leather strap in black offers understated elegance. For sports-oriented deployment, a NATO strap in slate grey or an FKM rubber strap provides durability whilst maintaining proportional balance at 22mm.

How do you change the strap on a Staudt Praeludium?

To replace the strap on the 22mm P12.031-A02, use a spring bar tool. Position the tool's tip beneath the lug pin, press gently upward to compress the internal spring, and slide the existing strap outward. Repeat for the opposite lug. Insert the new strap by threading one end first, aligning the spring bar with the hole, then securing the opposite end. Ensure the pin is fully seated and the strap sits flush without twisting.

Is the P12.031-A02 compatible with generic 22mm aftermarket straps?

Yes, the P12.031-A02 is fully compatible with standard 22mm aftermarket straps, as the lug width conforms to established horological standards. However, verify that the strap does not present excessive thickness at the lug attachment point, as this may cause binding. Quality straps constructed from full-grain leather with controlled finishing ensure a perfect fit without lateral play or lateral deflection.

How long does a leather strap last on a Staudt Praeludium Hand Wound?

The longevity of a leather strap depends on material composition, construction quality, and intensity of wear. A vegetable-tanned leather strap, if worn daily, typically lasts 3 to 5 years before replacement becomes necessary. Vegetable tanning develops a natural patina that improves with age. Alligator straps, owing to their natural osseous structure, generally endure longer—approximately 5 to 8 years. Regular cleaning with soft cloth and protection from excessive moisture significantly extend longevity.

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