Nivada Grenchen · Super Antarctic

Strap for Super Antarctic 3.6.9. Black / Stainless Steel / Flat Link

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter38 mm
Reference32032A20
FamilySuper Antarctic
MovementSoprod caliber P024 ND Hours, Minutes, Seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Super Antarctic 32032A20

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Super Antarctic 32032A20, seen from the bench

The Nivada Grenchen Super Antarctic 32032A20 is a 38mm stainless steel expedition chronograph with manual movement, developed in the 1960s for polar missions. It features the Soprod caliber P024 ND manual movement with hours, minutes and seconds functions. The 20mm lug width is a classic standard that balances the case diameter with the strap width, ensuring proportioned aesthetics and comfortable wear.

Frequently asked questions

What is the lug width of the Nivada Grenchen Super Antarctic 32032A20?

The lug width of the Nivada Grenchen Super Antarctic 32032A20 is 20mm. This is a classical standard for 38mm diameter watches and ensures balanced proportions. Always measure with a digital calliper between the two lugs supporting the strap to verify accuracy before purchase.

What is the best strap for the Nivada Grenchen Super Antarctic 32032A20?

The ideal strap depends on your use case: for formal elegance we recommend dark brown alligator; for historical authenticity, a grey-blue NATO; for aesthetic evolution over time, Italian leather in vegetable tanning; for marine or humid environments, vulcanised FKM rubber. Each material highlights different aspects of the watch.

How do I change the strap on the Nivada Grenchen Super Antarctic 32032A20?

To change the strap, proceed as follows: 1) Remove the spring bars from the lugs using a specialised tool or small screwdriver; 2) Extract the old strap from the lug holes; 3) Insert the new strap (20mm width) into the lug housings; 4) Reinsert the spring bars until they click into place. Work on a clean surface to avoid losing small components.

Are aftermarket straps compatible with the Super Antarctic 32032A20?

Yes, any strap with a 20mm lug width is compatible with the Super Antarctic 32032A20. Ensure the strap has been correctly measured (between the two lugs) and the width is exactly 20mm. Undersized or oversized straps will not fit correctly and may damage the spring bars.

How long does a natural leather strap last on the Nivada Grenchen Super Antarctic 32032A20?

Durability depends on the material and usage: a natural calf strap lasts 3-5 years with daily wear; alligator reaches 5-7 years thanks to greater density; shell cordovan easily exceeds 7-10 years. Vegetable tanning offers better ageing than synthetic methods. Regular maintenance with specific creams significantly extends durability.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only