Certina
DS PH C036.407.18.040.00— lug 20mm
Certina DS PH C036.407.18.040.00: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Certina C036.407.18.040.00The essential strap measurement.
Browse 20mm straps →C036.407.18.040.00
ETA caliber C07.611 Hours, Minutes, Seconds | Date
The Heritage
Compatible Straps
Selected for the 20mm lug width of the DS PH
FAQ
What is the lug width of the Certina DS PH C036.407.18.040.00?
The lug width is 20.00mm. This width is specific to this Certina model and corresponds to the distance between the two case lugs. To measure correctly, observe the internal space between the two case horns where the strap is inserted: it must be exactly 20mm. A measurement error of even 1mm compromises the installation of an aftermarket strap.
Which strap pairs best with the Certina DS PH C036.407.18.040.00?
The ideal strap depends on your intended use. Alligator leather with vegetable tanning and medium-fine grain communicates sobriety and craftsmanship, counterweighting the case's modern geometry. A brushed box calf offers greater formality. A cotton-polyester NATO maintains technical connotation and allows rapid strap changes. A high-density FKM rubber represents the radically instrumental choice, durable and aesthetically understated.
How do I change the strap on my Certina DS PH C036.407.18.040.00?
Obtain a dedicated spring bar tool. Support the strap with one hand and insert the tool's thin end into the opening of the spring pin. Press inward to release the spring and slide the pin towards you. Repeat on the opposite side. To install the new strap, insert both pins into the lug slots and push them with the spring bar tool until the spring fully engages. Verify the strap is secure before wearing the watch.
Can I use an aftermarket-compatible strap on my Certina DS PH C036.407.18.040.00?
Yes, provided the strap is designed for 20mm lug width. High-quality artisanal straps, crafted from alligator, calf, NATO, or FKM rubber, are fully compatible with this model. Ensure the strap width is proportionate to the 42.80mm case diameter: a 20mm lug width accepts 20mm straps without modification.
How long does a leather strap last on a Certina DS PH like the C036.407.18.040.00?
Durability depends on material and frequency of use. Quality alligator leather with vegetable tanning typically lasts 3–5 years with daily wear, acquiring a natural patina that enhances character. Brushed box calf tends to last 2–4 years. Vegetable-tanned leather ages beautifully, developing rich patina, whilst FKM rubber straps maintain structural properties virtually unchanged for 5–7 years without significant aesthetic degradation.