Certina · DS First
Strap for DS First Lady Ceramic White
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the DS First C0142351701100
Selected for the 20 mm lug width · workshop selection
Recycled Nylon Military Strap — Grey with Red Stitching€52
Light Blue Recycled Military Strap with Red Stitching€52
Eco Recycled Nylon Military NATO Strap — Green with Green Stitching€52
Recycled Nylon Military NATO Strap — Red and Black Edges€52
Eco-Friendly Recycled Nylon Military NATO Strap — Green with Orange Edges€52
The DS First C0142351701100, seen from the bench
Frequently asked questions
What is the exact lug width of the Certina DS First C0142351701100?
The lug width of the Certina DS First C0142351701100 is 20mm. This measurement is taken internally, from lug to lug on the case, and represents the standard construction specification for this feminine timepiece. A 20mm lug width ensures optimal proportions with the 34.80mm case diameter, preventing lateral protrusion and maintaining mechanical stability on the wrist.
What are the best strap materials compatible with the Certina DS First?
The most recommended materials are: alligator with vegetable tanning (cognac or black), vintage calf leather with natural patina, shell cordovan in burgundy tones, NATO in reinforced cotton, and FKM rubber. Alligator offers formal elegance, calf leather provides everyday versatility, NATO delivers sporty practicality, and rubber ensures water-resistant durability. Choice depends on intended use and personal aesthetic preference.
How do you replace the strap on the Certina DS First C0142351701100?
Strap replacement is performed using the case lugs. Using a specialist tool (spring bar tool or pin remover), gently release the pins securing the strap to the lugs. Once removed, extract the old strap and insert the new one, ensuring perfect alignment before reinserting the pins. For professional results, we recommend the replacement service through certified watchmakers.
Is an aftermarket 20mm strap compatible with this model?
Yes, any aftermarket strap with a 20mm lug width is compatible with the Certina DS First C0142351701100, provided the internal seat matches the declared width and the case pins are standard diameter (typically 1.8mm). Artisanal quality straps offer superior texture and construction rigidity compared to generic straps, extending longevity significantly.
What is the average lifespan of a leather strap before replacement?
A quality leather strap (alligator, calf, shell cordovan) with vegetable tanning lasts approximately 3-5 years of daily wear, with variability based on climate conditions, sun exposure, and frequency of use. Vegetable-tanned leather develops a protective patina that improves over time. Rubber straps typically last 5-8 years before elasticity loss. Regular maintenance (cleaning, conditioning) substantially extends longevity.
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
