Seiko Prospex Alpinist SPB505 Summit Black
The Seiko Prospex Alpinist SPB505 is the 2026 evolution of Seiko's iconic mountaineering field watch, refreshed with vintage-inspired details and modern engineering. The 39.5mm stainless steel case features Seiko's super-hard coating for enhanced scratch resistance, measures 12.7mm thick with a 46.4mm lug-to-lug span. The archive-inspired matte black dial showcases cathedral-style hands, classic Arabic numerals, wedge-shaped indices, and the traditional italic Alpinist signature beneath the Seiko logo. A rotating inner compass bezel and magnified date window honor the collection's outdoor heritage. Powered by the in-house Caliber 6R55 automatic movement with approximately 72 hours of power reserve and manual winding capability, the watch is accurate to +25/-15 seconds per day. The see-through caseback bears the Alpinist mountain emblem. Sapphire crystal with magnifier and anti-reflective coating on the inner surface. Water resistant to 200 meters.
Original: $995.00
-65%$995.00
$348.25
Description
The Seiko Prospex Alpinist SPB505 is the 2026 evolution of Seiko's iconic mountaineering field watch, refreshed with vintage-inspired details and modern engineering. The 39.5mm stainless steel case features Seiko's super-hard coating for enhanced scratch resistance, measures 12.7mm thick with a 46.4mm lug-to-lug span. The archive-inspired matte black dial showcases cathedral-style hands, classic Arabic numerals, wedge-shaped indices, and the traditional italic Alpinist signature beneath the Seiko logo. A rotating inner compass bezel and magnified date window honor the collection's outdoor heritage. Powered by the in-house Caliber 6R55 automatic movement with approximately 72 hours of power reserve and manual winding capability, the watch is accurate to +25/-15 seconds per day. The see-through caseback bears the Alpinist mountain emblem. Sapphire crystal with magnifier and anti-reflective coating on the inner surface. Water resistant to 200 meters.
