Seiko Watch 6N42-00F0 From Japan Used,Seiko Watch 6N42-00F0 From Japan Used,WTS] Seiko 6N42-00F0 Blue Dial Date 100M Quartz Watch - $75 : r/Watchexchange,WTS] Seiko 6N42-00F0 Blue Dial Date 100M Quartz Watch - $75 : r/Watchexchange,Seiko Men's Watch 6N42-00F0 Quartz Black Gray Dial Two Tone Stainless Steel 41mm | eBay