Longines · La Grande Classique
Strap for La Grande Classique Quartz 24 Stick
Takes 13 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The La Grande Classique L4.209.4.73.2 (aka: L42094732), seen from the bench
Frequently asked questions
What is the exact lug width of the Longines La Grande Classique L4.209.4.73.2?
The lug width of the Longines La Grande Classique L4.209.4.73.2 is exactly 13 millimetres. This dimension is specific to this model and emerges from the ideal proportion between the case diameter (24mm) and its intended use on the female wrist. To measure the lug width precisely, use a digital calliper positioned perpendicularly in the free space between the two internal metal lugs of the attachment, at the central point of the lug, excluding the width of the case itself.
What is the best strap material for the Longines L4.209.4.73.2?
The finest material is genuine alligator, thanks to its natural grain texture and sleek lustre that amplifies the understated elegance of this dress watch. Alternatively, calf leather with polished finish (box leather) guarantees superb ageing characteristics with natural patina development over time. Vegetable-tanned calf leather is ideal if you seek an ethically-minded strap. We do not recommend shell cordovan for this model, as its initial stiffness and assertive character may overshadow the watch's aesthetic simplicity.
How do I change the strap on the Longines La Grande Classique L4.209.4.73.2?
Strap replacement requires a dedicated tool, typically a spring bar tool or pin extractor. Position your watch on a stable support, locate the pins (small metal elements holding the strap to the lugs), and insert the tool into the small hole of the spring to extract the pin. Once the old strap is removed, align the new strap's holes with the same pins and reinsert the pins until you hear a click of engagement. If you are not experienced, we recommend consulting a professional watchmaker to avoid damage to the lugs.
Are there quality aftermarket straps compatible with the Longines L4.209.4.73.2?
Yes, high-quality aftermarket straps compatible with the 13mm lugs of the L4.209.4.73.2 are available. Milano Straps offers a dedicated collection for 13mm straps, customisable in sizing, colours, initials and stitching type. Straps are crafted from premium leather (alligator, calf, cordovan) and fitted with stainless steel or precious metal buckles. An 18-month warranty is included.
What is the typical lifespan of a leather strap on the Longines L4.209.4.73.2?
Lifespan depends on material and usage patterns. A superior-quality alligator strap with vegetable tanning and proper stitching may last 5 to 10 years with routine maintenance (occasional cleaning, drying after moisture exposure, protection from direct sunlight). Calf leather typically lasts 3 to 7 years. Shell cordovan, due to its density, can exceed 10 years. Frequency of wear, climate and personal habits (perspiration, water exposure) significantly influence longevity. Heavily-used straps may require replacement every 2 to 3 years.
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
