Longines · Equestrian
Strap for Equestrian Horseshoe 23 Black
Takes 10 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Equestrian L6.135.4.57.0 (aka: L61354570), seen from the bench
Frequently asked questions
What is the lug width of the Longines Equestrian L6.135.4.57.0?
The lug width of the Longines Equestrian L6.135.4.57.0 is 10mm. This measurement is critical for sourcing compatible aftermarket straps: any replacement strap must have exactly 10mm lug width to ensure correct seating in the case lugs without mechanical play or risk of damage.
What is the best strap for the Longines Equestrian L6.135.4.57.0?
The optimal strap choice depends on intended usage. For luxury maximalism, we recommend alligator in tobacco or cognac tones, which creates compelling aesthetic contrast with the case's satin-finished surfaces. For daily elegant wear, vegetable-tanned calf leather offers sophistication without compromise. For authentic sporting context, a grey or navy NATO maintains fidelity to the model's equestrian heritage.
How do you change the strap on the Longines Equestrian L6.135.4.57.0?
Strap replacement requires extraction of the straight spring bars securing the strap to the case. Using a spring bar tool or flat implement, gently compress the internal spring whilst extracting the pin downward. Repeat on both sides, then insert the 10mm lug width spring bars of the new strap into the case lug seats until they click into position.
Which aftermarket straps are compatible with this timepiece?
Any commercially available strap with 10mm lug width is mechanically compatible with the Longines Equestrian L6.135.4.57.0. Milano Straps offers a dedicated collection in alligator, calf, NATO and rubber with 10mm width. To maximise aesthetic coherence, choose artisanal strap specialists who guarantee proportionally correct visual relationships for 23mm diameter watches.
How long does a leather strap last on this watch?
A quality bespoke leather strap from Casati Milano, crafted with vegetable tanning, guarantees 3-4 years of moderate daily wear before replacement becomes necessary. Alligator and shell cordovan extend this timeline to 5-7 years due to superior fibre density. Longevity depends on solar exposure, humidity levels, wear frequency and preventative material conditioning.
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
