Archimede
Deckwatch UA7929B-H1.1— lug 20mm
Archimede Deckwatch UA7929B-H1.1: 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 UA7929B-H1.1The essential strap measurement.
Browse 20mm straps →UA7929B-H1.1
ETA caliber 6498-1 Hours, Minutes, Small Seconds
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Deckwatch
FAQ
What is the lug width of the Archimede Deckwatch UA7929B-H1.1?
The lug width of the Deckwatch UA7929B-H1.1 is 20 millimetres. This measurement is taken between the inner shoulders of the lugs and determines compatibility with any aftermarket strap. The 20mm width is a classic specification, commonly found on mid-sized watches (40–44mm), and provides access to a broad selection of straps in various materials and finishes.
Which strap pairs best with the Archimede Deckwatch?
The Deckwatch Archimede UA7929B-H1.1, with its nautical heritage and satin-finished case, harmonises beautifully with alligator straps featuring vegetable tanning (scaly texture, natural patina development) or vegetable-tanned calf leather (uniform surface, elegant ageing). For a sports-oriented approach, a satin NATO or FKM rubber strap maintains the model's military aesthetic integrity. Avoid polished crocodile leather, which conflicts with the design philosophy of Glashütte minimalism.
How do I change the strap on a watch with 20mm lugs?
Strap replacement is straightforward: insert a spring bar removal tool (or small flathead screwdriver) beneath the spring bar connecting the strap to the case, push outward to disengage, and withdraw the old strap. Repeat on the opposite lug. When fitting your new 20mm strap, ensure the spring bar sits fully within the case holes. Should you encounter resistance, the strap width may deviate from specification—contact your supplier immediately.
Can I use a third-party aftermarket strap on the Archimede Deckwatch?
Absolutely. The Deckwatch UA7929B-H1.1 accepts any quality 20mm strap without restriction. Archimede employs no proprietary lug configuration—the classical design ensures universal compatibility. The only consideration: verify that the strap's keepers are no thicker than 3mm, otherwise they may contact the case. We recommend artisanal leather straps crafted from Italian hide with vegetable tanning to preserve the model's authenticity.
How long does a leather strap last on a daily-wear watch?
A quality leather strap (alligator or calf with vegetable tanning) lasts 3–5 years under moderate daily wear, extending to 7–8 years if protected from constant moisture exposure. Vegetable-tanned leather does not rot—it develops golden patina and characteristic creasing. If you wear the watch in humid environments (gym, occasional showering), rotate to a NATO or rubber strap during those periods to extend leather strap longevity. Annual conditioning with natural oil (neatsfoot) reinforces the fibres and delays wear.