WTS] Seiko "Seichu" Nato Straps - SPB239 OEM original, New : r/Watchexchange
SBDC101] 62MAS on Grey Seichu NATO. I think I may have a problem when it comes to these straps 🤣 : r/Seiko
WTS] Seiko Alpinist SPB121 Green dial. Includes dark brown Seiko Seichu nato band, watchgecko nato band and original leather band US $650 – WatchPatrol
SEIKO - SPB253 SPB255 SPB257 - PROSPEX DARK BROWN SEICHU FABRIC STRAP- L0N3017M0 | eBay
Zwei Kreationen, die an einem neuartigen, speziell für Prospex Taucheruhren hergestellten Textilband präsentiert werden | SEIKO WATCHES