Uncle Seiko Tropical Strap / Vulcanised Rubber for $33 for sale from a Private Seller on Chrono24
Rubber Tropic Strap (19/20/22mm) – Uncle Straps
[SPB143] My Uncle Seiko tropic strap arrived today, very impressed by it, especially with the holes to accommodate the thicker seiko spring bars. : r/Seiko
Tropic Rubber Strap | horologymatters
Tropic Strap – unlimitedstraps
Seiko Legends on Uncle Seiko Tropic | B. Zanetti | Flickr
Uncle Seiko Tropic Strap, but is it worth $39? - YouTube