Longines
Master Collection L2.920.4.92.0— lug 21mm
Longines Master Collection L2.920.4.92.0: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 21mm lug width to preserve the original sartorial balance."
Technical Specifications
Longines L2.920.4.92.0The essential strap measurement.
Browse 21mm straps →L2.920.4.92.0
Longines caliber L897.2 Hours, Minutes, Seconds | Date, Annual Calendar, Month
The Heritage
Compatible Straps
Selected for the 21mm lug width of the Master Collection
FAQ
What is the lug width of the Longines Master Collection L2.920.4.92.0?
The lug width of the Longines Master Collection L2.920.4.92.0 is 21mm. This measurement should be calculated perpendicularly between the attachment pins and determines the compatibility of aftermarket straps. Correct measurement eliminates the need for adapters or invasive case modifications.
Which strap is recommended for the Longines Master Collection L2.920.4.92.0?
The ideal strap for the L2.920.4.92.0 depends on the context of use. For formal environments, dark brown alligator, shell cordovan, or vegetable-tanned calf leather are recommended. The natural grain of these leathers enhances the brushed steel case finish. For semi-formal situations, honey or pearl grey tinted calf leather offers versatility whilst maintaining elegance.
How do you change the strap on the Longines Master Collection L2.920.4.92.0?
The Master Collection L2.920.4.92.0 is equipped with a bayonet or straight pins, common in Longines models. To change the strap: place the watch on a flat surface, use a small tool or pin punch to compress the bayonet spring from underneath the lug, gently remove the pin, extract the old strap and insert the new one. The operation takes approximately 5 minutes without specialised tools.
Is an aftermarket strap compatible with the Longines Master Collection L2.920.4.92.0?
Yes, any strap with a 21mm lug width is compatible with the L2.920.4.92.0, provided the attachment system is identical (bayonet or straight pins). Numerous options are available online in alligator, calf, cordovan and technical materials. Milanostraps.it offers customisable straps in precise sizing for this reference.
How long does a leather strap last on the Longines Master Collection L2.920.4.92.0?
Durability depends on the quality of the leather and frequency of use. High-quality atelier alligator or shell cordovan resists 4-6 years in daily wear thanks to dense natural fibre. Vegetable-tanned calf leather has similar durability but develops visible patina. Exposure to sweat, moisture and temperature fluctuations accelerates ageing. Casati Milano guarantees 18 months on custom straps.