Eterna
Contemporary 2971.41.46.1704— lug 20mm
Eterna Contemporary 2971.41.46.1704: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Eterna 2971.41.46.1704The essential strap measurement.
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Selected for the 20mm lug width of the Contemporary
FAQ
What is the exact lug width of the Eterna Contemporary 2971.41.46.1704?
The lug width (misura ansa) of the Eterna Contemporary 2971.41.46.1704 is 20mm. This measurement is proportioned to the 41mm case and represents the standard for classical watches of this size category. To verify compatibility with an aftermarket strap, measure the distance between the two metal lugs protruding from the case: it must be exactly 20mm. A 19mm or 21mm strap will not fit correctly.
What is the best strap material for the Contemporary 2971.41.46.1704?
The best material depends on daily use and aesthetic preference. Alligator with vegetable tanning offers formal elegance with natural texture; vegetable-tanned calf leather represents the classic Italian choice, improving with dark patina over years; NATO in cotton or nylon is the contemporary sports solution; structured rubber ensures technical stability and resistance. We discourage plastic materials or low-quality split leather: a Swiss watch of this calibre deserves artisanal construction.
How do you change the strap on the Eterna Contemporary 2971.41.46.1704?
The strap is changed using a spring bar removal tool. Locate the small circular holes at the sides of the case, next to where the strap connects. Insert the tool's tip into the hole, gently push the internal spring, and the bar will loosen on that side. Repeat on the other side. Remove the old strap and insert the new one by aligning one side first, then press until you hear the spring click. If unsure, consult a professional watchmaker: the procedure requires delicacy to avoid scratching the case.
Is an aftermarket strap compatible with the 2971.41.46.1704?
Yes, any strap with a 20mm lug width is compatible with the Contemporary 2971.41.46.1704. Milano Straps artisanal straps are constructed specifically for this measurement and guarantee precise fitting without mechanical play. Always verify the declared lug width from the supplier before purchase. Straps from unverified sources may have construction tolerances that differ.
What is the lifespan of a leather strap for this watch?
An artisanal quality leather strap (alligator, vegetable-tanned calf, vegetable tanning) lasts an average of 3–5 years with moderate daily use. Lifespan depends on humidity exposure, perspiration, cleaning frequency, and construction quality. Tannin leather and alligator maintain structure longer than industrial split leather. NATO fabric straps last 4–7 years. Structured rubber can exceed 5–8 years. Regular maintenance (gentle cleaning, drying after moisture contact) significantly extends durability.