Technical Archive

Armin Strom
Manual TI11-MA.11— lug 20mm

Armin Strom Manual TI11-MA.11: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Manual Air

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Armin Strom TI11-MA.11
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

TI11-MA.11

Movement

Armin Strom caliber AMW11 Hours, Minutes, Small Seconds

The Heritage

The Armin Strom Manual TI11-MA.11 is a Swiss timepiece featuring the in-house developed Armin Strom AMW11 manual movement with hours, minutes, and small seconds. The case is crafted in titanium with a 43.40mm diameter, offering aerospace proportions and superior corrosion resistance. The 20mm lug width represents the optimal balance between case proportion and compatibility with quality straps, following the historical standard for classic wristwatches. Water resistance reaches 30 meters.

FAQ

What is the lug width of the Armin Strom Manual TI11-MA.11?

The Armin Strom Manual TI11-MA.11 features a 20mm lug width. This measurement is the standard for classical wristwatches and represents the optimal balance between the proportions of the 43.4mm case and compatibility with high-quality artisanal straps. Verify the lug width by positioning a digital calliper perpendicular to the internal attachment pins.

What type of strap is most suitable for the Armin Strom Manual TI11-MA.11?

Premium alligator leather with irregular grain and matte finishes is the optimal choice: the tactile contrast between textured leather and titanium creates aesthetic harmony. Alternatively, vegetable-tanned leather allows for natural patination that dialogues with the ageing of the titanium case. For more contemporary approaches, technical rubber provides practicality and absolute stain resistance.

How do I change the strap on an Armin Strom Manual?

Strap replacement is performed via the spring bars positioned at the ends of the lug. Use a dedicated spring bar removal tool or a small flathead screwdriver to press the locking mechanism, lifting it slightly until it disengages from its seat. Remove the old strap and insert the new one following the reverse procedure, ensuring the spring bar is fully secured in both housings.

Can I use a compatible aftermarket strap on the TI11-MA.11?

Yes, any strap with a 20mm lug width is compatible. However, we recommend prioritising artisanal manufacturers that respect the optimal thickness of 1.2–1.4mm to avoid altering the visual balance of the case. The quality of the leather and the finishing of the keeper must be commensurate with the excellence of the timepiece.

How long does a leather strap last on an Armin Strom Manual?

Longevity depends on the quality of the tanning and daily use. An alligator or vegetable-tanned calf strap typically lasts 3–5 years under moderate wear. Leather ageing is natural and desirable: patina imparts character to the strap. Replacement becomes necessary when the leather loses elasticity or the keeper shows wear. Rubber straps last longer (5–7 years) but lose resilience over time.