Certina · DS Spel

Strap for DS Spel Chronograph Goldy

Takes 15 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width15 mm
Case diameter41 mm
ReferenceC0124172103700
FamilyDS Spel
MovementETA caliber 251.262 hours, minutes, small seconds | date | Chronograph
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The DS Spel C0124172103700, seen from the bench

The Certina DS Spel C0124172103700 is a 41mm stainless steel chronograph powered by an ETA caliber 251.262 automatic movement. This Swiss-made timepiece features a small seconds subdial, date window, and a screw-down crown rated for 100 meters water resistance. The watch has a 15mm lug width, a non-standard size requiring precise strap selection to maintain proper proportions with the case.

Frequently asked questions

What is the lug width of the Certina DS Spel C0124172103700?

The lug width of the Certina DS Spel is 15mm, a non-standard size requiring specific straps. Always verify the internal strap seat width with a digital calliper before ordering an aftermarket strap to ensure passant compatibility and avoid fitting errors.

Which strap material is recommended for the Certina DS Spel?

For the Certina DS Spel, alligator with vegetable tanning (understated elegance), naturally aged calf leather (evolving patina over time), dense textile NATO (sporty practicality), or vulcanised rubber (corporeal oil resistance) are ideal. Selection depends on intended use and dial tone.

How do you change the strap on the Certina DS Spel C0124172103700?

Strap change requires a spring bar tool and gentle pressure to extract the anchor springs from the lugs. Position the tool in the small groove of the spring, then pull carefully outward. Insert the new strap by aligning one end first, then the other, ensuring the spring is correctly seated in the lug.

Are aftermarket straps compatible with the Certina DS Spel?

Yes, quality artisanal aftermarket straps are fully compatible if fitted with 15mm lug width. Milano Straps supplies custom-made straps, hand-modelled to millimetric precision to ensure perfect lug fit without play or misalignment. Material quality and craftsmanship guarantee durability.

How long does a leather strap last on a Certina chronograph?

A quality strap with vegetable tanning, subjected to routine maintenance (regular cleaning, drying after moisture exposure), typically lasts 3-5 years before replacement is necessary. Durability depends on usage frequency, sun exposure and care. Naturally aged calf straps develop rich patina with time, improving aesthetically with wear.

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