Amazon.com: Seiko Pro Diver Strap (22mm, Black, Part 4F24ZZ) : Clothing, Shoes & Jewelry
7548-7000] Anyone bought one of these straps before? It's nearly identical to the GL831. Model number is DAL1BP. Surprised I haven't heard about it more. : r/Seiko
FS Seiko 6309 7040 Turtle 1977 One Owner Original Dal1bp – WatchPatrol