Strap for Conquest Quartz 34 Stainless Steel - Diamond / MOP

The lug width of the Longines Conquest L3.400.0.87.6 is 20mm. This is the distance measured between the two lugs of the case where the strap attaches. To verify this measurement, simply remove the original strap and measure the distance with a digital calliper or ruler between the fixing holes.

For the Conquest L3.400.0.87.6, the choice depends on your intended use. For formal occasions, we recommend an alligator strap in black or dark brown, which enhances the elegance of the stainless steel case. For daily wear, a vegetable-tanned calf strap in cognac brown or burgundy develops a fascinating patina over time. For versatility, a leather or canvas NATO strap is an excellent choice. For the true connoisseur, shell cordovan represents the ultimate selection, acquiring character and depth through the years.

To change the strap, you will need a springbar tool. Position the watch face-down on a soft surface. Insert the tool tip under the fixing pin from the inside, applying gentle pressure to remove the pin. Repeat for the second pin. Insert the new strap, aligning the holes and repositioning the pins in the same manner. Verify that the strap is perfectly centred and symmetrical relative to the case.

Yes, any quality strap with a 20mm lug width is perfectly compatible with the Conquest L3.400.0.87.6. Milanostraps offers a complete selection of artisanal 20mm straps, customisable in leather, colour, sizing and stitching thread. The key is to verify that the width is exactly 20mm to ensure a perfect fit without play or forcing.

The lifespan of a leather strap depends on the quality of the material and daily use. An artisanal strap made of calf or alligator with vegetable tanning can last 3 to 5 years of daily wear before requiring replacement. Shell cordovan, being a denser and more compact leather, can exceed 7 years. The patina and signs of wear are not defects, but rather testimony to the relationship between the watch and your wrist. The 18-month warranty provided by Casati Milano covers all manufacturing defects.