Archimede
Klassik UA7969-A3.4— lug 20mm
Archimede Klassik UA7969-A3.4: 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
Archimede UA7969-A3.4The essential strap measurement.
Browse 20mm straps →UA7969-A3.4
Sellita caliber SW200-1 a Hours, Minutes, Seconds | Date
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Klassik
FAQ
What is the lug width of the Archimede Klassik UA7969-A3.4?
The Archimede Klassik UA7969-A3.4 features a lug width of 20 millimetres. This measurement represents the distance between the spring bars that connect the strap to the case. It is not a conventional standard: mainstream watches utilise 18mm, 20mm, or 22mm. For the Klassik, the 20mm specification is a deliberate design choice, engineered to balance the proportions of the 39mm case. To verify compatibility, ensure your strap explicitly supports 20mm lug width spring bars.
What strap is recommended for the Archimede Klassik UA7969-A3.4?
To maximise the aesthetic potential of the Klassik UA7969-A3.4, an alligator strap with vegetable tanning represents the optimal choice. The natural texture and capacity to develop patina over time amplify the technical character of the watch. Alternatively, vegetable-tanned calf leather offers softness and formal versatility. For sporting or daily use, a quality NATO canvas strap maintains aesthetic integrity. Structured rubber rounds out the arsenal for humid environments. All these materials are available in 20mm lug width from Milano Straps.
How do you change the strap on the Klassik UA7969-A3.4?
The procedure is standard for spring bar designs. Position the watch on a flat surface, caseback facing upward. Use a strap removal tool or small flathead screwdriver: insert the instrument into the aperture of the upper spring bar, applying gentle outward pressure until the internal spring mechanism releases. Repeat for the lower bar. Once both bars are liberated, the strap detaches. To fit the new 20mm strap, align the first spring bar (typically the upper one) and press gently until a mechanical click is felt. Detailed guidance is available through Atelier Casati Milano by appointment.
Are there aftermarket straps compatible with the Klassik UA7969-A3.4?
Yes. Milano Straps offers a comprehensive catalogue of straps compatible with 20mm lug width. All straps proposed are verified for mechanical compatibility with standard spring bars and guarantee construction quality equivalent to or exceeding OEM standards. The range includes options in vegetable-tanned alligator, traditional tannery calf, NATO canvas, and structured rubber. Each strap is available for online order with personalisation options; rapid shipping throughout Italy is guaranteed.
How long does a leather strap last on the Klassik UA7969-A3.4?
The lifespan of a naturally tanned leather strap varies according to frequency of wear, solar exposure, humidity, and maintenance protocols. An alligator or vegetable-tanned calf strap, if worn daily, maintains structural integrity for 18–36 months. Factors that extend lifespan: periodic rotation with alternative straps (e.g., NATO), cleaning with a soft cloth, avoiding prolonged water immersion. The natural patina that develops over time is not deterioration but aesthetic ennobling. To maximise durability, acquiring two complementary 20mm leather straps and rotating them seasonally is recommended. Personalised consultation on maintenance and rotation strategy is available through Atelier Casati Milano.