Strap for Legend Diver No Date

The lug width of the Longines Legend Diver L3.674.4.56.2 is 22mm. This measurement represents the distance between the two lugs of the case and determines the width of the compatible strap. You can verify this measurement using a digital calliper or ruler, measuring from the centre of one lug to the centre of the other.

The best strap depends on intended usage. For daily elegance: calf leather with vegetable tanning in Havana or black, which develops natural patina over time. For authentic vintage styling: alligator with open grain, which dialogues perfectly with the 1960s aesthetic of the model. For extreme durability: shell cordovan, a leather with incomparable mechanical properties. For submersion and water sports: textile NATO in navy blue or olive.

The Legend Diver uses the standard 22mm spring bar system. Using a precise tool (plastic rod or small flathead screwdriver), carefully insert it into the lug hole from the upper side, pushing the spring bar downwards until the pin releases from the case. Repeat on the opposite lug. Insert the new strap by aligning the holes with the pins and press until you feel the locking click.

An OEM Longines strap is manufactured by the brand itself with identical specifications. A quality aftermarket strap from a specialist manufacturer differs in materials (often superior artisanal leathers), tanning method (vegetable rather than industrial), and customisation options (contrasting stitching, embroidered initials). Structural compatibility is guaranteed if the lug width is 22mm ±0.5mm, but tangible quality varies by maker.

A quality leather strap (calf, alligator, shell cordovan) on a watch worn 4-5 days per week has an average lifespan of 4-7 years before replacement is needed. Longevity depends on: frequency of wear, moisture exposure, maintenance (regular cleaning, nightstand rotation). A vegetable-tanned leather ages beautifully: the patina that develops is a characteristic, not a flaw.