Lugs

      Lugs:

      A collective term used by watch industry professionals for the key component that connects the strap or bracelet to the case.

    Above: 1. Spring bar 2. Case lug 3. Case 4. Strap or bracelet

      When selecting a strap or bracelet, the lug width is a critical parameter, marked as 'A' in the image above. The unit is typically in millimetres (mm).

      Lug width is generally related to the dial size:

      Dial size   Lug width  

      36mm      19mm

      38mm      20mm

      39mm      20mm

      40mm      20mm

      41mm      20mm

      42mm      22mm