Nivada Grenchen
Super Antarctic 35013M41— lug 18mm
Nivada Grenchen Super Antarctic 35013M41: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 18mm lug width to preserve the original sartorial balance."
Technical Specifications
Nivada Grenchen 35013M41The essential strap measurement.
Browse 18mm straps →35013M41
Landeron caliber 21 Hours, Minutes, Seconds
The Heritage
Compatible Straps
Selected for the 18mm lug width of the Super Antarctic
FAQ
What is the lug width of the Nivada Grenchen Super Antarctic 35013M41?
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.
Which strap material is most suitable for the Super Antarctic 35013M41?
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.
How do you change the strap on a Nivada Grenchen Super Antarctic 35013M41?
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.
Is an aftermarket strap genuinely compatible with the 35013M41?
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.
How long does a leather strap last on a watch such as the Super Antarctic 35013M41?
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.