My first watch!! Seiko World timer [5t52-6a41] 1991 : r/Seiko
1970 Seiko Navigator Timer 6117 6410 — Hodinkee Community
New, custom mod watch with Seiko HN35. Countdown bezel steel rubber blue white | eBay
My Eastern Watch Collection: Seiko 5 Sports Automatic Blue Reference SRPB85K1 (similar to SRPB79K1, SRPB81K1, SRPB83K1) - A Great Starter Watch for a New Collector, A Review (plus Video)
SKX007/SRPD Ceramic Bezel Insert: Countdown Style Matte Blue – namokiMODS