Strap for Carrera Quartz 39 Stainless Steel / Diamond / Blue

The TAG Heuer Carrera WAR1114.FC6391 features a lug width of 18 millimetres. This measurement is taken between the inner shoulders of the lugs and represents the standard construction specification for this sports chronograph. To verify aftermarket strap compatibility, measure the internal distance between the two lug pins using a digital calliper, ensuring the strap is specifically designed for 18mm lugs.

There is no universally 'best' strap; selection depends on intended use and personal preference. For classical elegance and refinement, we recommend vegetable-tanned alligator in brown or black tones, which complements the sports-elegant character of the chronograph. For versatility, a cotton NATO strap allows rapid colour changes and casual styling. For intensive daily use, technical rubber with textured finish offers practicality and longevity. The Casati Milano atelier produces bespoke straps with personalised leather selection and 18-month warranty.

Strap replacement requires a spring bar tool or very fine flathead screwdriver. Place the watch on a soft cloth to prevent scratching. Locate the pins connecting the strap to the case and insert the tool into the small lateral slot, applying gradual pressure to push the pin outward. Once extracted, the old strap separates from the case. Align the new strap's holes with the lug apertures and reinsert the pin with gentle pressure until it clicks securely into place. If unfamiliar with this procedure, consult a professional watchmaker to prevent case damage.

Yes, provided the strap is manufactured for 18-millimetre lugs. milanostraps.it offers artisanal straps certified for this width, available in vegetable-tanned leather, alligator, shell cordovan and technical rubber. Before purchase, always verify that the strap specifications explicitly confirm compatibility with 18mm lugs. Milano Straps are customisable in length, initials and stitching thread colour, ensuring a perfect fit on your wrist.

Leather strap longevity depends on tannage quality, usage frequency and maintenance. A quality vegetable-tanned leather strap, worn daily, typically lasts 3-5 years before requiring replacement. Shell cordovan is more durable and may last 7-10 years owing to its natural density. Alligator, with a more delicate grain, resists flexing well but requires protection from excessive moisture and direct heat. To extend strap life, avoid prolonged water immersion, direct sunlight exposure and frequent liquid contact. Casati Milano straps include an 18-month warranty against manufacturing defects.