Longines · La Grande Classique
Strap for La Grande Classique Quartz 24 Yellow Roman Yellow
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 L4.209.2.41.8 (aka: L42092418), seen from the bench
Frequently asked questions
What is the lug width of the Longines La Grande Classique L4.209.2.41.8?
The lug width of the Longines La Grande Classique L4.209.2.41.8 is 13mm. This measurement refers to the distance between the pins that house the strap on the case lugs. It is important not to confuse this dimension with the case diameter (24mm). The measurement must be taken internally, using a callipers or millimetre ruler, to ensure that the strap fits correctly into the Longines lugs.
What is the best type of strap for the Longines La Grande Classique L4.209.2.41.8?
Alligator leather represents the ideal choice for this minimalist dress watch, thanks to its fine and regular grain, its natural colour that evolves over time, and the inherent elegance of the texture. Vegetable-tanned calf offers a versatile and sustainable alternative, with a patina that develops naturally over the months. For less formal contexts, a cotton NATO strap in satin finish paired with a steel deployante buckle allows you to maintain the discreet elegance of the model. High-quality rubber represents the technical solution for outdoor activities.
How do you change the strap on the Longines La Grande Classique L4.209.2.41.8?
To change the strap, you need to remove the two pins (spring bars) that secure the strap to the case lugs. Use a dedicated tool (spring bar tool) to compress the internal spring of the pin, thereby sliding the pin out of the lug. Once the old strap has been removed, position the new one by aligning the holes of the lug with the case attachments, then reinsert the pins. Ensure that the pins are fully inserted and locked. If you are not comfortable with this procedure, consult a professional watchmaker.
Is the Longines La Grande Classique L4.209.2.41.8 compatible with third-party 13mm straps?
Yes, the Longines L4.209.2.41.8 is compatible with any third-party strap manufactured for 13mm lug width. However, it is essential to verify that the strap is made from quality materials and with artisanal construction, as the reduced case size requires balanced proportions. Poor-quality straps, manufactured industrially, can compromise the overall elegance of the watch. Casati Milano manufactures bespoke straps for this reference, guaranteeing perfect compatibility and aesthetic quality.
What is the average lifespan of a leather strap for the Longines La Grande Classique L4.209.2.41.8?
The lifespan of a leather strap depends on the material, the quality of the tanning process and the conditions of use. A high-quality alligator strap, with proper tanning, can last 5-8 years with regular maintenance and protection from moisture and aggressive detergents. A vegetable-tanned calf strap, which is more absorbent, generally lasts 3-5 years. Frequency of wear, ambient humidity and personal perspiration significantly affect longevity. Artisanal straps made with premium leathers and quality stitching maintain their structural integrity longer than industrial products. Casati Milano offers an 18-month warranty on its straps, covering any manufacturing defects.
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
