Steinhart · Pilot

Strap for Nav B-Uhr 47 ST1 Premium Silver

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

Lug width22 mm
Case diameter47 mm
ReferenceP0909
FamilyPilot
MovementSteinhart caliber ST. 1 Premium Silver 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 Pilot P0909

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Pilot P0909, seen from the bench

The Steinhart Pilot reference P0909 is powered by the ST.1 Premium Silver caliber with hour, minute and small seconds indication. The watch features 22mm lugs and essential time-reading functions. The movement guarantees basic functions with dedicated seconds subdial.

Frequently asked questions

What is the correct lug width for the Steinhart Pilot P0909?

The Steinhart Pilot P0909 features a lug width of 22mm. This measurement defines the distance between the watch case's spring bar holes where the strap connects. A 22mm strap fits precisely without lateral play. Always verify your model's lug width before purchasing an aftermarket strap.

Which strap type is recommended for the P0909?

The Steinhart Pilot P0909 accommodates multiple strap interpretations. A grey NATO conveys German austerity and sporting character. Alligator in black or brown adds formality. FKM rubber suits humid and active environments. The constant remains: 22mm width. The rest depends on context of use.

How do you change a strap on a Steinhart Pilot watch?

Obtain a spring bar tool. Insert the flat blade under the internal spring bar, applying downward pressure to release the spring mechanism. Extract the bar carefully. Thread the new 22mm strap through, aligning the holes, then insert the spring bar from the opposite side and release. Verify the strap has no lateral play.

Is an aftermarket strap compatible with the P0909?

Yes, any strap with 22mm lug width is compatible. However, the aftermarket strap's construction quality directly influences aesthetic performance and longevity. Source straps from specialized manufacturers that guarantee precise tolerances and certified materials.

How long does a leather strap last on a watch like the P0909?

A vegetable-tanned leather strap (alligator, calf) typically endures 2–4 years with daily use, provided you avoid prolonged rain and humidity exposure. NATO straps in synthetic or regenerated yarns last 4–6 years. Patina and colour shift are not deterioration but evidence of service. FKM rubber straps resist 5–7 years before stiffening.

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.

Request an appointment →

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