Strap for PrimaLuna Quartz 30 Stainless Steel / Pink Gold / Diamond / MOP / Bracelet

The lug width of the Longines PrimaLuna L8.112.5.89.6 is 7 millimetres. This dimension is measured as the internal space between the case attachment pins. To verify it accurately, insert a digital calliper between the two lugs and read the distance. This compact size is characteristic of Longines women's models and excludes standard straps, requiring specialised selection from artisanal makers.

To change the strap: (1) Position the watch on a soft surface with the caseback facing upwards; (2) Using a spring bar tool, apply gentle downward pressure on the internal elastic pin of the lug, lifting upward; (3) The pin will exit its seat; (4) Remove the old strap and insert the new one, aligning the pins with their respective seats; (5) Apply light pressure until the locking clicks into place. We recommend performing the operation in two stages: remove one side first, then the second.

A quality leather strap (alligator, calf or shell cordovan) used daily on a women's watch such as the PrimaLuna has an average lifespan of 3-5 years. Longevity depends on usage type (sporty vs. formal), climatic conditions (humidity, direct sunlight) and maintenance. A vegetable-tanned strap requires occasional conditioning with specific leather balms. Shell cordovan, given its density, can last beyond 7-10 years if properly cared for. Milano Straps' artisanal straps carry 18-month guarantee against manufacturing defects.