Strap for M 29 Classic Kleine Sekunde Cream / Strap

The lug width of the M1-25-67-LB is 22mm, measured between the attachment lugs on the case. This specification determines compatibility with aftermarket straps and represents the construction standard for this family of timepieces.

The choice depends on intended use. For formal contexts, alligator in dark brown or vegetable-tanned calf leather in black enhance the instrument-focused character of the model. For daily versatility, a NATO strap in charcoal grey or vulcanised rubber offer superior practicality and maintainability without compromising the case's aesthetic appeal.

Strap replacement requires unscrewing the screw-down crown, then using a spring bar tool to extract the attachment pins from their housings. Insert the new strap into the lug slots and firmly secure the pins, ensuring proper seating. Re-tighten the screw-down crown to restore water resistance.

Any strap featuring a 22mm lug width is compatible with the M1-25-67-LB, regardless of manufacturer or material. Options include alligator, calf, shell cordovan, cow leather, nylon NATO, vulcanised rubber, and stainless steel. Milano Straps specialises in this measurement category, offering full customisation according to colour preference.

Lifespan varies by tanning method and usage intensity. Vegetable-tanned calf maintains functionality for 3–5 years in daily wear, developing natural patina. Alligator, due to fibre density, achieves 5–7 years. Shell cordovan, with its robust structure, exceeds 7–10 years. Quality vulcanised rubber guarantees 4–6 years. Regular maintenance—cleaning, drying, and fibre conditioning—significantly extends each lifecycle.