Strap for Seastar 1000 Quartz 40 PVD / Green Gradient / Bracelet

The lug width of the Tissot Seastar T120.410.33.091.00 is precisely 20.00mm. This measurement is taken between the two straight lugs of the case using a digital calliper or flexible ruler. It is essential to verify this measurement with precision before ordering an aftermarket strap, as 20mm is not a standardised width and straps even marginally larger or smaller may not fit correctly.

For the T120.410.33.091.00, we recommend a vegetable-tanned alligator strap in cognac brown or dark tone, or European shell cordovan for those who appreciate patina development over time. A natural-tannin calf leather represents the compromise between elegance and everyday versatility. For humid or nautical environments, a cotton ballistic NATO or reinforced FKM rubber maintain stability and practicality without functional compromise.

Strap replacement requires extraction of the spring bars from the case lugs. Use a dedicated spring bar tool, inserting the small lever between the lug and the pin to release it gently. Remove the old strap, then position the new spring bars into the replacement strap, aligning them with the lug holes. Press until the bars click into position. If unsure, consult an authorised watchmaker.

Yes, provided the strap has a lug width of 20.00mm and thickness consistent with the case (typically 3.5-4mm). Artisanal quality straps, such as those offered by milanostraps.it, are compatible and often superior to originals in finish and materials. Always verify lug width and consult customer service before ordering.

Durability depends on material and usage. A quality vegetable-tanned alligator can last 5-7 years with routine maintenance; shell cordovan 8-10 years. Calf leather offers 3-5 years before replacement becomes necessary. FKM rubber, being waterproof, lasts 4-6 years. Avoid prolonged exposure to humidity, sweat and extreme heat; condition periodically with natural oils specifically formulated for watch leather.