Technical Archive

Nivada Grenchen
Super Antarctic 32024A04— lug 20mm

Nivada Grenchen Super Antarctic 32024A04: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Super Antarctic Black - Yellow Luminova / Stainless Steel / Beads of Rice

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Nivada Grenchen 32024A04
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

32024A04

Movement

Soprod caliber P024 ND Hours, Minutes, Seconds

The Heritage

The Nivada Grenchen Super Antarctic Black is a 38mm stainless steel sports watch from the Swiss postwar era. It features the Soprod caliber P024 ND movement with hours, minutes, and seconds display. The 20mm lug width ensures compatibility with standard watch straps. This model represents classic 1950s proportions, combining robust construction with functional aesthetics typical of Swiss expedition chronographs.

FAQ

What is the lug width of the Nivada Grenchen Super Antarctic 32024A04?

The Nivada Grenchen Super Antarctic 32024A04 has a lug width of 20mm. This measurement, taken between the case lugs, determines compatibility with aftermarket straps. You can verify the size using a digital calliper or ruler, positioning the measuring tool perpendicular to the lugs.

What is the best strap for the Nivada Grenchen Super Antarctic?

The ideal strap for the 32024A04 depends on intended use. For formal elegance we recommend alligator or shell cordovan in dark shades (brown, anthracite grey); for pure sportiness, a 4-ring cotton NATO or vulcanised rubber fabric. A vegetable-tanned calf leather represents the ideal compromise: durability, refined aesthetics, and natural patina development over time.

How do you change the strap on the Nivada Grenchen Super Antarctic?

To change the strap you need two tools: a spring bar tool or extractor. Position the watch on a soft surface (microfibre cloth) with the case facing upwards. Insert the small hook of the extractor under the spring, pull gently and slide out the old strap. Repeat on the other side. Insert the new strap by aligning the ends with the lugs and push until the spring clicks into place. Avoid sudden movements to prevent scratching the case.

Which aftermarket straps are compatible with the 32024A04?

All straps with a 20mm lug width are compatible with the 32024A04. On milanostraps.it you will find a dedicated collection of 20mm straps in multiple materials: Italian leather, alligator, shell cordovan, vegetable-tanned calf, NATO, and rubber. Every strap is tested to fit perfectly on the lugs of your watch.

How long does a natural leather strap last on a watch like the Super Antarctic?

The lifespan of a leather strap depends on use and environmental conditions. On average, a quality calf or alligator strap lasts 3-5 years with moderate daily wear. Factors such as humidity, sun exposure and perspiration accelerate wear. A shell cordovan strap, being denser leather, can last 5-7 years. Regular maintenance (cleaning, drying after water exposure) significantly extends useful life.