Strap for Tangente 38 Datum Delfin

The lug width of the Nomos Glashütte Tangente 179.S22 is 18 millimetres. This measurement corresponds to the distance between the two spring bars that support the strap and determines compatibility with aftermarket straps. It is important not to confuse lug width with the overall strap width, which may vary slightly depending on edge finishing.

For the Nomos Tangente 179.S22, we recommend a premium alligator strap with natural grain, or calf leather produced using vegetable tanning to develop a natural patina over time. These materials harmonise the minimalist aesthetic of the case with the organic richness of the leather. Alternatively, a structured rubber strap represents a modern option for daily wear.

To change the strap on a watch with 18mm lug width, you will need a spring bar tool. Remove the watch from your wrist and position the tool under the lug pin to release the internal spring, then extract the pin from the case. Repeat the operation on the other side. Install the new strap simply by inserting the pins into the lugs and ensuring the internal spring is correctly positioned. Verify that the strap is securely fastened before wearing the watch.

Yes, absolutely. Provided the strap is manufactured for an 18mm lug width, it is fully compatible with the Nomos Tangente 179.S22. We recommend selecting straps produced from premium materials—alligator, shell cordovan, calf leather with vegetable tanning—to ensure durability, comfort, and aesthetic harmony with the minimalist constructive philosophy of the model.

A premium leather strap manufactured with vegetable tanning has an average lifespan of 3–5 years with daily use, provided it is subjected to periodic maintenance (gentle cleaning, conditioning). Alligator leather tends to last longer owing to its more robust fibrous structure. The ageing of leather, particularly calf, generates a desirable patina that increases the aesthetic value of the watch over time. However, constant exposure to moisture and perspiration significantly shortens durability.