Certina · DS-1
Strap for DS-1 Powermatic 80 38 Stainless Steel / Black / Bracelet
Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the DS-1 C029.207.11.051.00 (aka: c0292071105100)
Selected for the 19 mm lug width · workshop selection
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Taupe Strap Ecru Stitching€98
Hammered calfskin strap in cuoio€98
Military Green Single Pass Strap — Hammered Calf€80
Matte Dark Gray Alligator Strap€195
The DS-1 C029.207.11.051.00 (aka: c0292071105100), seen from the bench
Frequently asked questions
What is the lug width of the Certina DS-1 C029.207.11.051.00?
The lug width of the Certina DS-1 C029.207.11.051.00 is 19mm. This technical specification is essential for selecting compatible straps: a strap must measure exactly 19mm wide to fit correctly between the lugs, ensuring stability and security on the wrist.
Which strap is recommended for the Certina DS-1 C029.207.11.051.00?
For the Certina DS-1, we recommend alligator straps with vegetable tanning for formal elegance, full-grain calf leather for refined simplicity, or nylon NATO for daily versatility. Your choice depends on intended use: formal wear calls for alligator or calf; informal contexts suit NATO or structured rubber.
How do I change the strap on my Certina DS-1 C029.207.11.051.00?
To change the strap, use a spring bar tool. Position the forked end beneath the spring and push gently upward to release the strap from the lugs. Repeat on the opposite lug. When inserting your new 19mm strap, ensure the spring bars fit perfectly into the lug spaces and that the springs click firmly into position.
Can I use aftermarket straps on this Certina model?
Yes, any aftermarket strap with a 19mm lug width is compatible with the C029.207.11.051.00. However, we recommend selecting straps of equivalent construction quality to your watch: vegetable-tanned leather, robust stitching, and refined finishes ensure longevity and aesthetic coherence with the Certina's character.
How long does a leather strap last on the Certina DS-1?
A quality leather strap—alligator or calf—typically lasts 3–5 years with daily wear, depending on environment and maintenance. Exposure to sweat, humidity, and UV rays accelerates ageing. Regular care—gentle cleaning with a damp cloth and conditioning every 6–12 months—significantly extends strap lifespan.
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
