Strap for Tradition Powermatic 80 Open Heart 40 Stainless Steel - Yellow Gold / Silver / Bracelet

The lug width of the Tissot Tradition T063.907.22.038.00 is 20mm. This is the distance measured between the two lugs (case springs) where the strap is fitted. This standard allows the use of straps with a main band between 18 and 22mm, maintaining proportionate aesthetics relative to the case diameter of 40mm.

The Tradition accommodates multiple interpretations. For formal contexts, a vegetable-tanned alligator strap (back grain, fine texture) or vegetable-tanned calf leather with natural patina development is recommended. For sport-casual wear, a raw canvas NATO transforms the watch's character entirely. For warm climates, FKM rubber is rational, although it does not enhance the classical nature of the case. Shell cordovan, where available, represents the aesthetic pinnacle for longevity and natural lustre.

Strap replacement requires a spring bar tool to compress the spiral springs anchoring the strap to the case lugs. Position the tool in the fine groove on each spring, press gently to slide it towards the centre, remove the old strap, and insert the new one by sliding the lugs into the holes. The procedure is reversible and requires no specialist precision tools.

Any strap designed for a 20mm lug width is compatible. Specialised manufacturers offer straps in alligator, calf leather, shell cordovan, canvas NATO, FKM rubber and synthetic materials. Compatibility is guaranteed provided the strap features an internal lug (eye) dimensioned for 20mm. Some premium straps possess a deployante buckle specific to watches of this class, enhancing comfort and strap longevity.

A quality leather strap (vegetable tanning) has an average lifespan of 3–5 years with daily wear, extendable to 7–10 years with proper maintenance (periodic cleaning, protection from elements, rotation with alternative straps). Lifespan depends on climate (humidity, UV exposure), frequency of use and tanning method. Shell cordovan, owing to natural resination, may exceed 10 years of regular use. FKM rubber offers comparable longevity with reduced aesthetic refinement.