Strap for Super Antarctic 35 Black - Beige Luminova / Stainless Steel / Brown Racing

The lug width of the Nivada Grenchen Super Antarctic 35013M41 is precisely 18 millimetres. This measurement represents the distance between the two lateral lugs of the case where the strap is attached. It is essential to respect this dimension to ensure accurate fitting without play or misalignment.

The Super Antarctic 35013M41 accommodates various solutions. A vegetable-tanned calf leather strap reflects the watch's historical heritage and develops natural patina over time. For structural elegance, alligator leather offers durable geometric grain. For intensive use or humid climates, a NATO textile strap or vulcanised rubber provides superior practicality and longevity.

To change the strap, you will need a small extraction lever (spring bar tool). Position the lever under the lug pin, pushing towards the case centre to disengage the internal spring. Once the pin is freed, remove the old strap and insert the new one, ensuring the pin seats fully in both lugs. The procedure requires care to avoid scratching the case.

Yes, provided the lug width is exactly 18 millimetres. Handcrafted straps manufactured with this width slot into the original pins without any adaptation. It is important to verify that the strap has adequate slots for the case pin to seat securely. Milanostraps offers a collection of 18mm straps tested for precise compatibility.

Durability depends on material, usage and maintenance. A vegetable-tanned calf strap under daily wear typically lasts 2–3 years before replacement is needed; it develops aesthetic patina during this period. Shell cordovan resists 3–4 years thanks to the material's natural density. A NATO textile or vulcanised rubber strap exceeds 4–5 years if kept clean. Storage in a dry environment away from heat sources extends strap life.