Nivada Grenchen · Antarctic

Strap for Antarctic 35 Eggshell - White Luminova / Stainless Steel / Brown Racing

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
Reference35004M41
FamilyAntarctic
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 Antarctic 35004M41

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Antarctic 35004M41, seen from the bench

The Nivada Grenchen Antarctic mounts the Landeron 21 caliber with hour, minute and second indication. The model has 18mm lugs and represents the brand's proposal for use in extreme conditions. The reference 35004M41 maintains the essential technical characteristics of the Antarctic collection.

Frequently asked questions

What is the lug width of the Nivada Grenchen Antarctic 35004M41?

The lug width of the Nivada Grenchen Antarctic 35004M41 is 18 millimetres. This measurement represents the exact distance between the two solid lugs that support the strap. Accurate measurement is essential to ensure precise seating of the strap into the attachments, both for aesthetic and safety reasons.

Which strap do you recommend for the Antarctic 35004M41?

For the Nivada Grenchen Antarctic 35004M41, we recommend straps in premium alligator leather, vegetable-tanned calf, or dense canvas NATO. Alligator enhances formal elegance, vegetable-tanned calf develops authentic patina over time, whilst NATO offers sportive versatility. Your choice depends on intended use: formal, daily wear, or adventure. Avoid visually oversized straps: the Antarctic derives strength from restraint.

How do I change the strap on the Nivada Grenchen Antarctic 35004M41?

Changing the strap on the 35004M41 requires a spring bar tool. Position the watch case-up, gently insert the tool tip into the lug access hole, push laterally to release the pin, remove the worn strap and insert the new one. Proceed with caution to avoid scratching the case: a straightforward operation requiring manual precision.

Is an aftermarket strap compatible with this model?

Yes, any strap with an 18-millimetre lug width is compatible with the Nivada Grenchen Antarctic 35004M41, regardless of manufacturer. Verify that the measurement is precisely 18mm and the strap is made from quality material (leather, canvas, structured rubber). We recommend choosing specialised artisan strap suppliers to guarantee construction reliability.

How long does a leather strap last on the Nivada Grenchen Antarctic 35004M41?

Leather strap durability depends on use frequency, daily wear intensity and maintenance habits. A quality leather (alligator, vegetable-tanned calf) worn daily lasts between 3 and 5 years before significant wear appears. With periodic maintenance (cleaning, conditioning), longevity can extend further. NATO and rubber straps offer superior resistance in humid or high-stress environments, with lifespan up to 7-10 years if properly maintained.

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