Strap for Presence 34.5 Automatic Gold

The lug width of the Longines Presence L4.778.6.12.6 is 18 mm, measured from inner bar to inner bar. This specification is unique to this model and determines compatibility with aftermarket straps. It is the most versatile size on the market, offering maximum choice in materials, textures, and finishes.

For the Presence in yellow gold, we recommend alligator straps (black, tobacco brown) for formal occasions, or vegetable-tanned calf leather (burgundy, pearl grey) if you desire natural patina development over time. Noble materials with low grain ensure the metal remains the focal point. Avoid heavily textured or glittered finishes that compete with the gold.

The strap is changed by extracting the spring bars that connect the lugs to the case. Use a dedicated spring bar tool to press the elastic pin laterally and free one end of the strap. Once the pin is fully extracted, the old strap slides out. Insert the new strap, reinsert the pin, and verify it is securely seated on both sides. If unfamiliar with the procedure, consult a watchmaker.

Yes, 18 mm aftermarket straps are fully compatible with this model. Milanostraps offers customisable straps in length, material, and finish. Ensure the strap is correctly sized for your wrist (length adjustment) and that the buckle or deployant clasp is proportionate to the 34.50 mm case diameter.

A quality leather strap with vegetable tanning lasts approximately 3–5 years with daily wear. Lifespan depends on water exposure, perspiration, and sun exposure. Premium alligator and calf leather straps typically last longer. Casati Milano offers 18 months' warranty on bespoke straps and recommends rotating between different straps to extend the life of each piece.