Eterna
Adventure 7740.40.11.1289— lug 22mm
Eterna Adventure 7740.40.11.1289: 22mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 22mm lug width to preserve the original sartorial balance."
Technical Specifications
Eterna 7740.40.11.1289The essential strap measurement.
Browse 22mm straps →7740.40.11.1289
Eterna caliber 3945A Hours, Minutes, Additional 24 Hour Hand (adjustable), Seconds | Date
The Heritage
Compatible Straps
Selected for the 22mm lug width of the Adventure
FAQ
What is the exact lug width of the Eterna Adventure 7740.40.11.1289?
The lug width of the 7740.40.11.1289 is 22mm. This measurement is critical for the visual balance of the 42.30mm stainless steel case and represents the only dimension compatible with the integrated lugs of this model.
Which strap is recommended for the Eterna Adventure 7740.40.11.1289?
Four primary categories are recommended for the 7740.40.11.1289: alligator for maximum aesthetic refinement, vegetable-tanned calf leather for natural ageing, NATO for sporting functionality, and rubber for moisture resistance. Your choice depends on the balance desired between elegance and practicality.
How do I change the strap on the Eterna Adventure 7740.40.11.1289?
The 7740.40.11.1289 features integrated lugs on the case. To replace the strap, use a spring bar tool to push the pins from the ends and insert new pins into the attachment holes. This operation requires precision to avoid scratches on the case.
Are 22mm aftermarket straps compatible with the 7740.40.11.1289?
Yes, any strap with a 22mm lug width is compatible with the 7740.40.11.1289. Compatibility is determined solely by lug width: 22mm for this model. Bespoke artisanal straps, crafted to measure, guarantee perfect fit to the integrated lugs.
What is the expected lifespan of a leather strap for the 7740.40.11.1289?
A high-quality leather strap, vegetable-tanned, maintains structural integrity for 3-5 years of daily wear. Lifespan depends on exposure to moisture, perspiration, and flexing cycles at the wrist. Regular maintenance with specific balms significantly extends strap longevity.