https://www.unseend.com/ daily https://www.unseend.com/products/test-seiko-6309-t001 2026-09-12T14:40:27+02:00 daily https://cdn.shopify.com/s/files/1/0794/1249/4684/files/photo-1524805444758-089113d48a6d.jpg?v=1789206295 Seiko 6309-7040 TEST IMAGE. Steel dive watch on a neutral surface.