Longines · Flagship
Strap for Flagship 25 Quartz Stainless Steel White
Takes 13 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Flagship L4.216.4.12.6 (aka: L42164126), seen from the bench
Frequently asked questions
What is the lug width of the Longines Flagship L4.216.4.12.6?
The Longines Flagship L4.216.4.12.6 features a lug width of 13 millimetres. This measurement is taken from the inner edge of one lug to the other on the underside of the case and is the standard specification for this family of women's dress watches. Verifying this measurement before purchasing an aftermarket strap is essential to ensure proper compatibility and fit.
Which type of strap is best suited for the Longines Flagship L4.216.4.12.6?
For the 25mm Flagship, alligator leather represents the most fitting choice from both aesthetic and design perspectives. The natural grain of the reptile creates a sophisticated texture that complements the watch's inherent sobriety. Alternatively, vegetable-tanned or aniline calf leather offers an appealing aging patina, whilst rubber remains the practical solution for summer wear without functional compromise.
How do I change the strap on my Longines Flagship L4.216.4.12.6?
Strap removal requires a spring bar removal tool. Locate the tiny holes at the watch's lugs and gently extract the elastic pin, supporting the strap to prevent dropping. Once the pin is removed, the strap releases. Reverse the procedure with the new strap, ensuring the spring bar clicks securely into both lug seatings. Avoid excessive force to prevent scratching the case.
Are compatible aftermarket straps available for the Longines Flagship L4.216.4.12.6?
Yes, Milano Straps provides high-quality aftermarket straps in 13mm size, customisable in leather type (alligator, calf, rubber), colour, initials, and thread colour. These straps are dispatched ready to wear with stainless steel deployante and warranty, offering a sustainable and creative alternative to the original Longines strap.
What is the lifespan of a leather strap on a watch like the Flagship L4.216.4.12.6?
Leather strap longevity depends on tanning method and usage patterns. Quality alligator can last 4–6 years with regular rotation and care (prompt drying after moisture exposure, minimal direct sunlight). Aniline calf tends to deteriorate faster (2–3 years) due to its absorbent nature, whilst vegetable-tanned straps can reach 5–7 years. Milano Straps provides an 18-month warranty on all custom straps.
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
