Technical Archive

Longines
Master Collection L2.357.5.70.2— lug 18mm

Longines Master Collection L2.357.5.70.2: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Master Collection 34 Stainless Steel - Pink Gold / Silver

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Longines L2.357.5.70.2
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

L2.357.5.70.2

Movement

Longines caliber L888.5 ND Hours, Minutes, Seconds | Chronometer

The Heritage

Luxury leather watch straps for the Longines Master Collection L2.357.5.70.2

FAQ

What is the lug width of the Longines Master Collection L2.357.5.70.2?

The lug width of the Longines Master Collection L2.357.5.70.2 measures 18mm. This dimension is specific to the model and reflects the balanced proportion between the case diameter (34mm) and the strap. To measure correctly, position a calliper perpendicularly between the two metal lugs that accommodate the strap, excluding any protective rubber gaskets.

Which strap pairs best with the Longines Master Collection L2.357.5.70.2?

For the Master Collection L2.357.5.70.2, high-quality aesthetic materials are recommended: black alligator for formal continuity, brown shell cordovan for elegance with character, beige vegetable-tanned calf for contemporary minimalism, or NATO blue/green for everyday versatility. The choice depends on intended use and wrist tone: premium leathers for formal occasions, NATO for daily versatility.

How do you change the strap on the Longines Master Collection L2.357.5.70.2?

The strap on the L2.357.5.70.2 is changed via spring bars located at the ansa extremities. Use a spring bar remover or thin flat tool to compress the spring and release the bar from the lug. Repeat for the opposite end, then insert the new strap while maintaining the spring bar in horizontal position and sliding the bar back into the seats. Symmetrical and reversible operation.

Which aftermarket straps are compatible with the 18mm lug width of the Longines Master Collection L2.357.5.70.2?

All straps with an 18mm lug width are compatible with the L2.357.5.70.2, whether produced by major manufacturers or specialist artisans. On milanostraps.it, a complete selection of 18mm straps is available in alligator, cordovan, calf, NATO and vulcanized rubber, with customization options (dimensions, initials, thread colour).

How long does a leather strap last on the Longines Master Collection L2.357.5.70.2?

The lifespan of a leather strap depends on usage, material and maintenance. High-quality alligator and shell cordovan maintain structural integrity for 5-8 years with moderate use (3-4 days weekly). Vegetable-tanned calf requires more frequent maintenance but reaches 4-6 years. Standard warranty is 18 months. Factors that reduce lifespan: constant sun exposure, humidity, perspiration, lack of nocturnal ventilation.