7123-823F] My dad gave me my first Seiko when I was 18. It's an 80s Sports 100 he used diving. After all these years it's still ticking away with the occasional battery
Seiko Type II 7123-503A (Sold)
Vintage Seiko Type 2 Watch 33mm New Battery 7123-7000 | eBay
Seiko Quartz SQ 7123 Men's Watch For parts or Repair Watchmaker R284 | eBay