Strap for DS Podium Big Size Chrono GMT

The lug width of the Certina DS Podium C0016391105700 is precisely 21 millimetres. This measurement must be verified by positioning a digital calliper between the two central lugs (the metal ears soldered to the case). Straps of inferior or superior width will not mount correctly and may damage the mechanical lugs.

The choice depends on intended use. For formal occasions, we recommend alligator leather with vegetable tanning or embossed calf in natural tones (brown, cognac, black). For intensive sporting use, a rubber FKM strap with a deployant buckle absorbs impact and allows rapid cleaning. A woven NATO strap maintains the Podium faithful to its functional DNA, ideal for those who frequently alternate straps.

Minimal tools are required: a small flathead screwdriver or a dedicated spring bar tool. Position the watch on a soft microfibre panel. Locate the two metal lugs parallel to the strap attachment points. Insert the screwdriver tip into the small lateral hole of one lug, applying gentle inward pressure to release the internal spring. The lug will retract, allowing the old strap to slide away. Repeat on the opposite side. To fit the new 21mm strap, align the holes with the same lug pair and press downward until the retention mechanism audibly clicks.

Yes, any strap with a 21-millimetre lug width is mechanically compatible, regardless of brand. Compatibility depends exclusively on the width measured between the central lugs. MilanoStraps manufactures bespoke straps in vegetable-tanned leather, woven NATO, and FKM rubber, all available in 21mm configuration, with thicknesses and finishes optimised for the Podium's case geometry.

The durability of a leather strap varies depending on material and usage. An alligator strap with vegetable tanning typically resists 5–7 years of daily wear, whilst developing natural patina. Embossed calf has comparable longevity (4–6 years) if exposed to moderate humidity. Shell cordovan, being hard and water-resistant leather, reaches 7–10 years of continuous use. If you alternate the Podium with other watches (3–4 days per week), durability extends by 40–60%. Chronic exposure to humidity, salt perspiration, and extreme temperatures shortens useful life. Regular maintenance (cleaning with damp cloth, drying, light nourishment with natural balms every 12–18 months) significantly prolongs durability.

Yes, absolutely. An FKM rubber strap with a deployant buckle in 21-millimetre width is ideal for the Podium during sporting activities, prolonged water exposure, or warm climates. Rubber absorbs kinetic impact energy, thermally isolates the wrist from the metal case, and permits instant cleaning with soapy water. FKM rubber resistance exceeds 10 years under normal conditions.