Strap for Zeitwerk Platinum

The Zeitwerk 140.025 features a 20 mm lug width. This measurement corresponds to the distance between the inner edges of the two pin holes on the platinum case. It is essential to measure the lug width correctly before purchasing a strap, as an incorrect size could damage the case during installation. The measurement should be taken with a calliper or ruler positioned parallel to the case surface, between the two holes.

For the Zeitwerk 140.025 in platinum, we recommend an artisanal-quality alligator strap, preferably in dark shades such as black, dark brown, or anthracite grey. Alligator offers a medium grain texture that complements the case geometry visually without competing with its presence. Shell cordovan is a sophisticated alternative, thanks to its natural lustre and ability to develop a patina over time. For those preferring chromatic versatility and a soft tactile sensation, vegetable-tanned calf leather represents an excellent choice, with the possibility of selecting tones ranging from light brown to hazelnut.

To change the strap on the Zeitwerk 140.025, you will need a specific tool to remove the lugs from the case. Position the watch on a soft surface, gently insert the tool into the small lateral hole beneath the lug, and push outward to disengage the lug from the case supports. Repeat the operation on the other side. Once both lugs are free, the old strap can be removed. To install the new strap, insert the lugs into the case holes and press until you hear a clicking sound. We recommend entrusting this operation to a specialist service or a qualified watchmaker to avoid damage to the platinum.

Yes, many high-quality aftermarket straps are compatible with the Zeitwerk 140.025, provided the lug width is exactly 20 mm. The key is to select straps crafted by specialist artisans, using premium leather and precise finishing. Services such as Casati Milano offer bespoke straps, allowing personal selection of leather in the atelier and technical consultancy. Aftermarket straps enable you to express your watch's personality without compromising on quality, provided they are crafted to the same standards as the original.

The lifespan of a leather strap depends on the quality of the leather, daily usage, and climate conditions. An alligator or shell cordovan strap of excellent quality can last 5-8 years with regular maintenance (gentle cleaning, protection from moisture). Vegetable-tanned calf leather has a similar lifespan but ages more visibly, developing a patina that increases its aesthetic appeal. The most delicate component is the stitching: timely repairs executed by a specialist craftsman can significantly extend the strap's life. Storing the strap in a cool, dry place when not worn considerably prolongs durability.