Omega
De Ville 424.20.27.60.55.001 (aka: 42420276055001)— lug 14mm

The lug width of the 424.20.27.60.55.001 is 14mm, a non-standard measurement requiring purpose-built straps. To verify, measure the distance between the two spring bar attachment points using a digital calliper.

For this steel and yellow gold cased timepiece with mother-of-pearl dial, alligator leather is the most refined choice, with its natural grain pattern providing visual support without competing with the dial. Alternatively, anilina calf in cognac or vintage burgundy shell cordovan offer elegant colour pairings that complement the metal interplay of the case.

Use a spring bar tool to compress the spring bar at the lateral lug attachment points. Insert the tool's small end into the lug hole, compress the spring, and slide the pin free. Repeat on the opposite side. To install the new strap, align the pin, position the spring into its seat, and press until you hear a click.

Only straps constructed to the exact 14mm lug width specification are compatible. Always verify specifications before purchase—a 15mm strap, despite appearing a minor difference, will not insert correctly into the lugs and risks damaging both strap and case. Milano Straps specifically stocks collections for this non-standard measurement.

With regular use (5-6 days per week), a quality leather strap typically lasts 4-6 years before replacement. Climate conditions, frequency of wear, and proper maintenance—including protection from moisture and gentle drying—influence longevity. Shell cordovan straps, due to their structural density, tend to last slightly longer than calf leather alternatives.