Strap for Seastar 1000 Quartz 40 Wilson WNBA / Black

The lug width of the Tissot Seastar T120.807.17.051.00 is 20 millimetres. This measurement determines the width of any compatible strap and is measured between the contact points of the lugs using a digital caliper.

For the Tissot Seastar T120.807.17.051.00, we recommend a vegetable-tanned calf leather strap for aesthetic versatility, black alligator for formal occasions, or a NATO band to emphasise the watch's sporting vocation. Your choice depends on your primary context of use.

Changing the Tissot Seastar strap requires removal of the spring bars (the pins that connect the strap to the lugs). Use a dedicated spring bar tool to gently compress and extract the pins. Position the new strap aligned with the lugs and reinsert the spring bars until fully locked.

Any strap with a 20mm lug width is compatible with the Tissot Seastar T120.807.17.051.00. You may choose from leather (alligator, calf, shell cordovan), NATO fabric, FKM rubber, or steel, provided they meet this specific width specification.

The lifespan of a leather strap depends on build quality and usage patterns. An artisanal vegetable-tanned calf strap retains structural integrity for 3–5 years with ordinary maintenance. Alligator tends to last longer. FKM rubber has a lower longevity of 2–3 years but resists prolonged moisture better.