Damasko · Three-hand Models

Strap for DA 37 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 diameter40 mm
ReferenceDA37.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 DA37.black

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Three-hand Models DA37.black, seen from the bench

The Damasko DA37.black is a three-hand sports watch from the German manufacture based in Cologne. It features a 40 mm stainless steel case with satin finishing and a black dial with silver hands for maximum readability. The watch is powered by an ETA caliber 2836-2 automatic movement with date and day function, water-resistant to 30 bar. The 20 mm lug width makes it compatible with standard aftermarket straps and is typical for 40 mm European sport watches.

Frequently asked questions

What is the lug width of the Damasko Three-hand Models DA37.black?

The lug width of the Damasko DA37.black is 20 millimetres. This measurement is the internal distance between the lugs of the case and determines compatibility with all aftermarket straps. You can verify this dimension by inserting a digital calliper between the two lugs at the point where the original strap connects.

Which strap is recommended for the Damasko DA37.black?

For the DA37.black we recommend a vegetable-tanned alligator strap as first choice, which enhances the constructive severity of the watch with narrative elegance. Alternatively, cognac-brown calf leather offers chromatic warmth and evolving patina over time. For technical daily use, a grey or navy NATO strap maintains the instrumental functionality of the watch without aesthetic distraction.

How do you change the strap on a Damasko DA37.black?

Changing the strap on the DA37.black is a simple manual operation. Required steps: 1) remove the connection pins between the strap and lugs using a dedicated tool (spring bar tool); 2) extract the pins completely; 3) insert the new strap aligning it with the holes in the lugs; 4) reinsert the pins in position, verifying they are secured firmly. It is advisable to perform this operation on a soft surface to avoid scratching the case.

Are aftermarket straps compatible with the Damasko DA37.black?

Yes, all straps with 20mm lug width are compatible with the DA37.black. MilanoStraps offers a curated range of straps in natural leather, NATO fabric and technical rubber, all equipped with appropriate lugs and buckles for this specific width. The artisanal quality ensures durability and finishing consistent with the constructive level of the watch.

How long does a leather strap last on a watch like the Damasko DA37.black?

A quality leather strap (alligator, calf, shell cordovan) worn daily has an average lifespan of 3-5 years, varying according to environmental humidity, cleaning frequency and type of tanning. The leather strap is not a single-use consumable: the patina that develops over time represents the aesthetic value of the material. Basic maintenance (moderate drying after exposure to water, occasional treatment with specific creams) significantly extends the useful life.

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