5H23-7D20] Seiko Chronos Quartz (with daydate window, glossy intergrated bracelet, 10atm water resistant which I would never risk testing, subtle lumes and a thin sporty case that stays under shirt cuff like
Vintage Rare Seiko 5H23-8060 Quartz Sports 150 Japan 15 Bar Stainless Steel | eBay
Seiko 5H23-8A39 What Era? | WatchUSeek Watch Forums
Seiko 5H23-6180 bezel - Watch Plaza
Seiko Chronos 5H23-7D40 SBFM001 NOS (Sold)
WTS] Vintage Seiko Chronos Shimmer Dial 5H23-7060 for sale $105 (Shipped) – WatchPatrol
Seiko 5H23-6379 Screws Needed | The Watch Site
Seiko Chronos 5H23-7D20 | The Watch Site
VINTAGE SEIKO QUARTZ CHRONOS 5H23-7060 FOR PARTS OR REPAIR WATCH JAPAN | eBay
Seiko CM Quartz 5H23-6279 from 1977 – Paleh
Seiko 5H23-8A09 Mens 2-Tone Watch! New Battery! for Sale in Little River, SC - OfferUp
FS: SEIKO Chronos Vintage 5H23-7060 Quartz Day Date | WatchUSeek Watch Forums
WTS] Vintage Seiko Chronos Shimmer Dial 5H23-7060 for sale $105 (Shipped) | WatchCharts Marketplace