Staudt · Praeludium Petit

Strap for Praeludium Petit

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter37 mm
ReferenceP31.022-A02-1
FamilyPraeludium Petit
MovementETA caliber 2892-A2 hours, minutes, seconds | date
Year2014
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 Petit P31.022-A02-1

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Praeludium Petit P31.022-A02-1, seen from the bench

The Staudt Praeludium Petit is equipped with the automatic ETA 2892-A2 caliber with hour, minute, second and date indication. The watch features 20mm lugs for the strap. The ETA 2892-A2 movement offers a power reserve of approximately 42 hours.

Frequently asked questions

What is the lug width of the Staudt Praeludium Petit P31.022-A02-1?

The lug width of the Staudt Praeludium Petit P31.022-A02-1 is 20mm. This measurement represents the distance between the two horizontal pins to which the strap attaches. All compatible straps must measure exactly 20mm between their respective attachment points.

What is the best strap for the Staudt Praeludium Petit P31.022-A02-1?

The best strap choice depends on your intended use case. For classical elegance, we recommend alligator leather with vegetable tanning in dark brown tone, which develops natural patina over time. For everyday versatility, vegetable-tanned calf in black offers visual restraint. For technical or sports use, a NATO canvas strap in khaki or a vulcanised rubber strap provides maximum functionality.

How do I change the strap on my Staudt Praeludium Petit P31.022-A02-1?

Strap removal is accomplished by extracting the horizontal pins that connect the strap to the case. Using a dedicated spring bar tool, apply vertical pressure to the pin until the ends disengage, allowing extraction. Subsequently, align the new strap holes with the exposed pins and reinsert them until they click into position. For precision cases such as this, we recommend having a professional perform the operation.

Can I use an aftermarket strap compatible with my Staudt Praeludium Petit P31.022-A02-1?

Yes, any strap with a 20mm lug width is mechanically compatible. However, we recommend selecting straps manufactured artisanally or by recognised makers, as material quality and construction technique influence both aesthetic and long-term durability. A poorly executed strap may damage the case over time.

How long does a leather strap last on the Staudt Praeludium Petit P31.022-A02-1?

Leather strap longevity depends on tanning method and usage patterns. An alligator strap with vegetable tanning, rotated with other straps, may endure 10–15 years. Vegetable-tanned calf typically lasts 5–8 years with regular wear. Periodic maintenance with natural balms significantly extends useful life. Rubber straps exhibit similar longevity but require minimal maintenance.

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