Damasko · Three-hand Models

Strap for DA 45 Black

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter42 mm
ReferenceDA45.black
FamilyThree-hand Models
MovementETA caliber 2836-2 Hours, Minutes, Seconds | Date, Day
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Three-hand Models DA45.black

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Three-hand Models DA45.black, seen from the bench

The Damasko DA45 Black is a three-hand tool watch featuring a 41.90 mm stainless steel case certified antimagnetic, powered by an ETA caliber 2836-2 movement. With its 20 mm lug width and reduced thickness, this German-made instrument watch delivers absolute legibility and functional design. The high-contrast dial with baton indices and tapered seconds hand exemplifies engineering precision over ornamentation, positioning the DA45 Black in the rare category where elegance emerges from constructive logic rather than decoration.

Frequently asked questions

What is the lug width of the Damasko Three-hand Models DA45.black?

The Damasko DA45.black features a 20 mm lug width, determined by the case geometry and integral spring bar attachments. To verify the measurement, use a digital calliper to measure the internal distance between the spring bar shoulders. This 20 mm standard is widely adopted across European mid-sized tool watches and ensures broad compatibility with aftermarket straps.

Which strap would you recommend for the DA45.black?

The choice depends on intended use and aesthetic preference. For formal contexts, alligator leather with vegetable tanning in anthracite or grey tones emphasises the case's austere geometry. For daily wear, structured calf leather with medium grain develops a natural patina over time. For sports use, we recommend NATO straps in Cordura or FKM rubber in military tones. All straps must feature a 20 mm lug width for proper fitment.

How do I change the strap on the Damasko DA45.black?

The DA45.black uses integral spring bar attachments. Use a spring bar tool to depress the small bayonet spring located inside the lug, freeing the pin. Remove the old strap, insert the new one ensuring the pin seats fully in both lug grooves, and release the spring mechanism. Verify secure attachment before wearing the watch.

Can I use any aftermarket 20 mm compatible strap on this model?

Yes, any strap with a 20 mm lug width is mechanically compatible with the DA45.black. We recommend choosing straps with thicknesses between 3.5 and 4.5 mm to avoid excessive play or fastening difficulty. Ensure the strap ends clear the dial during lateral movement. Artisanal leather straps offer superior quality and develop a unique patina over time.

How long does a leather strap last on the Damasko DA45.black?

Durability depends on leather quality, daily use intensity, and maintenance. A structured calf leather strap with vegetable tanning typically lasts 3–5 years with daily wear before replacement becomes necessary. Shell cordovan, being more resilient, may last 5–7 years. Patina develops progressively, enhancing aesthetics. To extend lifespan, avoid prolonged salt water exposure, apply hydrophobic treatments every six months, and ensure complete drying after humidity exposure.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only