Tissot · PRC 100

Strap for PRC 100 Quartz 41.3 Stainless Steel / Silver / Bracelet

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

Lug width20 mm
Case diameter41 mm
ReferenceT22.1.581.31 (aka: T22158131)
FamilyPRC 100
MovementETA caliber F06.111 hours, minutes, seconds | date
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 PRC 100 T22.1.581.31 (aka: T22158131)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The PRC 100 T22.1.581.31 (aka: T22158131), seen from the bench

The Tissot PRC 100 reference T22.1.581.31 is equipped with the ETA F06.111 quartz caliber with hour, minute, second and date indication. The model features essential functions in a three-hand configuration with a date window. The technical specifications include a Swiss quartz movement with standard analog display.

Frequently asked questions

What is the lug width of the Tissot PRC 100 T22.1.581.31?

The lug width of the Tissot PRC 100 T22.1.581.31 is precisely 20mm. This dimension is critical for selecting a compatible strap: any deviation would result in an unstable mounting. Measurement is conducted by placing a digital calliper between the two lateral horizontal pins of the case, verifying a distance of 20.00-20.10mm.

What is the best strap for the Tissot PRC 100 T22.1.581.31?

Strap selection depends on intended use. For formal sport-elegance wear, natural alligator or vegetable-tanned calf leather guarantee superior patina and aesthetic ageing. For daily sporting use, a technical nylon NATO strap maintains chronograph authenticity. For humid or high-stress environments, a technical rubber strap offers absolute durability without stylistic compromise.

How do you change the strap on a Tissot PRC 100 T22.1.581.31?

The procedure requires two tools: a spring bar tool with ball mechanism or a gentle pin extractor. Position the watch on a stable surface, carefully insert the extractor tip into the small lateral hole of the lug to compress the internal spring of the pin, pull downward until the pin fully extracts. Repeat on the opposite side. Mount the new strap in reverse sequence, verifying complete pin insertion into both attachment points.

Which aftermarket straps are compatible with the Tissot PRC 100 T22.1.581.31?

Any strap with 20mm lug width is geometrically compatible. We recommend straps manufactured to 20.00-20.10mm construction tolerances for optimal fit without play. Compatible materials include natural leathers (alligator, calf, shell cordovan), nylon NATO straps, technical rubbers and canvas. Avoid 19mm straps (too loose) or 21mm (unmountable).

How long does a leather strap last on the Tissot PRC 100 T22.1.581.31?

Durability depends on material and usage patterns. Quality calf with vegetable tanning, worn daily, maintains structural integrity for 3-4 years while developing patina and character. Natural alligator can exceed 5 years without substantial degradation. NATO or technical rubber straps guarantee 5-7 years durability under normal daily use conditions. Regular maintenance (cleaning and conditioning) significantly extends service 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