Seiko Prospex New Alpinist SPB505J1 – Full Set For sale is the iconic Seiko Alpinist in its latest version, SPB505J1. The watch was purchased in November 2025 from an official German retailer and comes with a full international warranty. Key Features: Movement: Automatic 6R55 (new model with 72-hour power reserve – 3 Days). Condition: Excellent, minimally worn with no marks. 9.5/10. Black dial. Extras: A high-quality aftermarket clasp has been installed, featuring an on-the-fly micro-adjustment system for a perfect wrist fit. Full Set: Includes original box, all papers, stamped warranty card, as well as the original Seiko clasp with extra links. A watch with outstanding value for money, 200m water resistance, and sapphire crystal.