Longines
Master Collection L2.755.4.77.5— lug 20mm
Longines Master Collection L2.755.4.77.5: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Longines L2.755.4.77.5The essential strap measurement.
Browse 20mm straps →L2.755.4.77.5
Longines caliber L636 Hours, Minutes, Seconds | Date, Day
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Master Collection
FAQ
What is the lug width of the Longines Master Collection L2.755.4.77.5?
The Longines Master Collection L2.755.4.77.5 features 20mm lug width, measured between the inner edges of the spring bar posts. This is a standard size within the classical Longines segment. To verify, place a ruler perpendicular to the dial and measure the exact distance between the case lugs. Any compatible strap must have a 20mm lug width.
Which strap is best suited for the Longines Master Collection L2.755.4.77.5?
Alligator is the most elegant choice: its natural grain does not compete visually with the minimalist dial and resists wear for up to 15 years with proper care. Alternatively, smooth calf leather creates understated refinement and develops a rich patina over time. For practicality, a canvas NATO in heavyweight cotton offers versatility and easy changeability. Structured rubber is advisable if the watch accompanies aquatic activities.
How do I change the strap on a Longines Master Collection L2.755.4.77.5?
The strap is secured via spring bar pins positioned on the case sides. Using a Spring Bar Tool, remove the small compressed spring that holds the pin in place: the old strap releases. Insert the new strap, positioning the lug holes onto the elastic pins, and compress the tool to reset the spring. Ensure the pin is fully seated before releasing. The procedure takes minutes and requires no specialised tools beyond the Spring Bar Tool.
Can I fit an aftermarket strap on a Longines Master Collection L2.755.4.77.5?
Yes, absolutely. Any strap with 20mm lug width is compatible with the Longines Master Collection L2.755.4.77.5, regardless of manufacturer. Premium aftermarket straps (alligator, calf, heavyweight canvas NATO) often surpass original Longines straps in material quality, finish and durability. Milano Straps offers 20mm straps customisable in leather type, colour, lug dimension and stitch colour.
How long does a leather strap last on a Longines Master Collection L2.755.4.77.5?
A quality leather strap (alligator, calf, vegetable-tanned) typically lasts 5–10 years with daily wear and proper maintenance. Humidity, perspiration, sun exposure and cleaning frequency all influence longevity. A well-maintained alligator strap can last up to 15 years. The lug area, subject to continuous flexing, deteriorates first; to extend service life, rotate between straps and store in a dry environment when not worn.