SevenFriday · P-Series
Strap for P3/04 KUKA
Takes 28 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The P-Series P3/04, seen from the bench
Frequently asked questions
What is the lug width of the SevenFriday P-Series P3/04?
The P3/04 features a 28mm lug width. This specification is critical for selecting compatible straps: any strap with a width between 27.5 and 28.5mm will fit correctly into the case lugs.
Which strap is best for the SevenFriday P3/04?
Selection depends on intended use and aesthetic preference. For enhanced industrial identity, an alligator strap in vegetable tanning or an FKM rubber strap excel. For daily versatility, a NATO strap in heavy cotton or a grey structured calf leather adapts the urban design to professional contexts.
How do I change the strap on the SevenFriday P3/04?
Strap replacement involves removing the lateral case lugs using a spring bar tool (a fork-shaped instrument). Once the pins are extracted, the old strap slides out effortlessly. The new 28mm strap is inserted into the same position, with pins reset under controlled pressure until they engage the case grooves.
Are aftermarket straps compatible with the P3/04?
Yes. Any strap with a 28mm lug width is compatible. Milano Straps provides complete collections of leather, NATO, and rubber straps specifically available in 28mm size, guaranteeing artisanal quality and bespoke customisations.
How long does a leather strap last on a watch like the P3/04?
A quality leather strap, such as vegetable-tanned alligator, typically resists between 18 months and 3 years of average daily wear. Durability depends on environmental humidity, cleaning frequency, and perspiration levels. Leather naturally develops patina and creasing over time—signs of aesthetic ageing, not functional failure.
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
