Nivada Grenchen · Super Antarctic

Strap for Super Antarctic 35 Black - White Luminova / Stainless Steel / Tropic

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter35 mm
Reference35014M01
FamilySuper Antarctic
MovementLanderon caliber 21 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 35014M01

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Super Antarctic 35014M01, seen from the bench

The Nivada Grenchen Super Antarctic features the Landeron 21 caliber with hour, minute and second functions. The model has 18mm lugs and reference 35014M01. The watch belongs to the Antarctic collection of the Swiss brand specialized in sporty timepieces.

Frequently asked questions

What is the lug width of the Nivada Grenchen Super Antarctic 35014M01?

The lug width of the Nivada Grenchen Super Antarctic 35014M01 is precisely 18 millimetres. This dimension, standard for polar-era sports instruments, accommodates robust straps in leather, alligator, NATO fabric, and technical rubber. To verify strap compatibility, measure between the two internal lugs of the case using a digital calliper.

Which strap is most suitable for the Super Antarctic 35014M01?

The ideal strap depends on your intended use. For classic daily aesthetic: brown tobacco leather or vegetable-tanned alligator, which develop a captivating patina over time. For practicality and versatility: a black or navy NATO fabric strap, replaceable in seconds. For humid environments or serious hiking: UV-resistant technical rubber. All 18mm straps are compatible with your 35014M01 lugs.

How do you change a strap on an 18mm lug width watch?

Position the watch on a soft surface. Using a spring bar tool with dual tips, gently work the lug pins from both sides, allowing them to slide out of the case. Remove the old strap. Insert the new strap into the lug holes, align the pins, and reinsert them with moderate pressure. Verify that the pins are fully locked by gently flexing the strap.

Is an aftermarket strap compatible with the Nivada Grenchen Super Antarctic 35014M01?

Yes, any strap with an 18mm lug width is compatible with the Super Antarctic 35014M01. Quality aftermarket straps – whether in leather, alligator, technical cotton, or rubber – maintain the same fit and functionality as originals. Simply verify that the internal lug width precisely matches 18 millimetres before purchase.

How long does a leather strap last on a watch like the 35014M01?

Leather strap longevity depends on intensity of use and climate. With moderate daily wear (4–6 days weekly) in temperate conditions, a chromexcel calf strap lasts 3–4 years; vegetable-tanned alligator, if maintained with natural conditioner, can endure 5–7 years. In humid, polar, or intense solar environments, degradation accelerates. Technical rubber, conversely, offers durability exceeding 10 years under extreme conditions.

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.

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