Certina · DS PH
Strap for DS PH100M Stainless Steel / Black / Rubber
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 PH C044.410.17.050.00
Selected for the 20 mm lug width · workshop selection
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Taupe Strap Ecru Stitching€98
Vintage Gray Calfskin Strap€80
Black Saffiano Rubber Strap€105
Grand Cavalier Military Brown Leather Strap€120
The DS PH C044.410.17.050.00, seen from the bench
Frequently asked questions
What is the lug width of the Certina DS PH C044.410.17.050.00?
The Certina DS PH C044.410.17.050.00 features a lug width of 20mm, the standard specification for 40.50mm sports watches in this category. This width ensures proper proportional fit with aftermarket straps in leather, rubber and fabric, maintaining visual balance between case and bracelet.
Which strap material pairs best with the Certina DS PH in brushed steel?
For the Certina DS PH C044.410.17.050.00, an <a href="/pages/termine-glossario/alligatore">alligator</a> strap with <a href="/pages/termine-glossario/concia-vegetale">vegetable tanning</a> represents the most versatile choice: it develops naturally, acquiring patina whilst maintaining comfort. For intense marine environments, prefer nylon NATO or FKM rubber for extreme practicality. Vegetable tanned calfskin offers balance between elegance and performance.
How do you change the strap on the Certina DS PH C044.410.17.050.00?
Insert a flathead tool (dedicated strap tool or small screwdriver) beneath the spring bar on one side of the case to release it from the lug hole. Repeat on the opposite side. Align the new 20mm strap with the lug holes and press until the spring bar clicks into place. This is a reversible operation requiring no specialist experience.
Is there an aftermarket strap compatible with the Certina DS PH C044.410.17.050.00?
Yes. The reference C044.410.17.050.00 features standard 20mm lugs, universally compatible with aftermarket artisan straps. Any 20mm strap from specialised suppliers (leather, alligator, NATO, rubber) fits perfectly. Always verify that width corresponds exactly to 20mm specifications.
What is the typical lifespan of a leather strap on the Certina DS PH?
A quality vegetable-tanned leather strap on a 40.50mm Certina DS PH lasts 3-5 years with regular use and ordinary care (rapid drying after immersion, avoiding excessive buckle strain). FKM rubber resists 4-6 years. Lifespan depends on frequency of use, sun exposure and correct post-immersion maintenance protocols.
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