Fortis · Novonaut
Strap for Novonaut N-42 Cobalt Blue Edition / Hybrid Strap
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Novonaut F2040013
Selected for the 22 mm lug width · workshop selection
Hammered calfskin strap in cuoio€98
Italian Leather Military Strap — Burgundy€80
Brown Saffiano Leather Strap€90
Black Saffiano Rubber Strap€105
Black Calfskin NATO Strap€80
The Novonaut F2040013, seen from the bench
Frequently asked questions
What is the lug width of the Fortis Novonaut F2040013?
The Fortis Novonaut F2040013 features a lug width of 22mm. This measurement represents the distance between the two lugs where the strap attaches to the case. It is essential to verify this dimension before purchasing a replacement strap to ensure correct compatibility.
What type of strap is recommended for the Novonaut F2040013?
For the Novonaut F2040013, we recommend straps in superior-grade alligator, vegetable-tanned calf leather, or technical rubber materials for sports applications. Alligator and vegetable-tanned calf reflect the watch's sophisticated aesthetic, whilst technical materials maintain its aerospace character. Avoid warm colours; prioritise black, dark grey, and dark brown tones.
How do you change the strap on the Fortis Novonaut F2040013?
To change the strap, use a specialised spring bar tool to compress and disengage the elastic pins (spring bars) that retain the strap to the case lugs. Remove the old strap by applying gentle pressure on one side at a time. Insert the new strap, aligning the holes to the 22mm lug width, and ensure the spring bars click securely into position. Avoid forcing the mechanism.
Which aftermarket straps are compatible with the F2040013?
Any strap with a 22mm lug width is compatible with the Fortis Novonaut F2040013. Available options include alligator, shell cordovan, vegetable-tanned calf, suede leather, NATO fabrics, and technical rubber. Milano Straps offers a specialised collection of 22mm straps, handcrafted with vegetable tanning and premium materials.
How long does a leather strap last on the Novonaut F2040013?
The lifespan of a leather strap depends on material quality and usage patterns. A superior-quality vegetable-tanned calf, tanned using traditional methods, can last 3–5 years with moderate wear and proper maintenance (avoiding prolonged moisture and direct sunlight). Alligator, being a more robust material, typically lasts longer. Signs of ageing (patina, minor creasing) do not necessarily indicate end of 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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
