The Seiko SNA411 Flightmaster aka The Flighty is an iconic watch with 200m water resistance. It has a 21mm lug width which is why the NDC strap is... | By NDCstraps | Facebook
Seiko SNA411 Review - The Seiko Flightmaster | Wristocracy
My SNA411 Flightmaster on a Two Stitch reversed leather green strap. : r/ Seiko