Damasko · Chronographs

Strap for DC 56 Si 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
ReferenceDC56.si.black
FamilyChronographs
MovementDamasko caliber 7750 Si hours, minutes, small seconds | date, day | Chronograph
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 Chronographs DC56.si.black

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Chronographs DC56.si.black, seen from the bench

The DC56.si.black is a Damasko chronograph powered by the 7750 Si caliber, offering hours, minutes, small seconds, date, day, and chronograph functions. The watch features 20mm lugs and is part of the brand's Chronographs collection. The movement integrates Damasko's technical modifications to the base 7750.

Frequently asked questions

What is the lug width of the Damasko Chronographs DC56.si.black?

The lug width (ansa width) of the Damasko Chronographs DC56.si.black is 20mm. This measurement denotes the internal distance between the two lugs of the case and is critical for strap compatibility. All straps designed for this model must feature 20mm-wide passants to ensure correct fit and absence of structural play.

Which strap would you recommend for the Damasko Chronographs DC56.si.black?

For the DC56.si.black, we recommend vegetable-tanned black alligator for formal wear, or anthrax grey NATO for tactical-sport context. If daily use in humid environments predominates, black FKM rubber or calf leather with deployante buckle represent the optimal choice: minimal maintenance and certified longevity. The selection depends on predominant use and aesthetic preference—all materials are compatible with the 20mm lug width.

How do I change the strap on a Damasko Chronographs DC56.si.black?

Strap replacement requires a simple tool: a stainless-steel spring bar tool. Position the watch on a soft cloth to prevent scratches. Locate the small hole beneath the lug, insert the flat end of the tool, press gently to release the internal spring, and slide the strap out. Repeat on the other side. For installation: align the passants with the holes, insert the lug and engage the spring into the lateral holes until you hear the click. Verify symmetry before wearing.

Can I fit an aftermarket strap on a Damasko Chronographs DC56.si.black?

Yes, any strap designed for 20mm lug width is compatible with the DC56.si.black. Artisanal straps in alligator, shell cordovan, calf, vegetable-tanned leather, or technical rubber function without adaptation. The key is verifying that the manufacturer explicitly states 20mm lug width and that passants are correctly dimensioned. Aftermarket straps often offer superior finishing and material diversity compared to original Damasko straps, allowing aesthetic customisation whilst maintaining complete mechanical compatibility.

What is the average lifespan of a leather strap on a Damasko Chronographs DC56.si.black?

A quality leather strap (alligator, calf, vegetable-tanned) lasts approximately 4-7 years with moderate daily wear, provided regular maintenance: dry after moisture exposure, avoid prolonged saltwater contact, apply protective balm every 12-18 months. Vegetable-tanned leather develops patina that improves appearance over time whilst increasing crack resistance. In very humid environments or intense perspiration, annual replacement may be necessary. Rubber and NATO straps offer superior longevity (8-10 years) with minimal maintenance.

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.

Request an appointment →

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