Seiko SPB505J1 Prospex Alpinist Automatic Men’s Watch – Black Dial, 39.5 mm

Product Description

The Seiko SPB505J1 is a refined men’s automatic timepiece from Seiko’s acclaimed Prospex Alpinist collection, designed for both outdoor adventure and everyday wear. Featuring a bold black dial with classic Arabic numerals and cathedral hands, this watch combines sporty heritage with modern mechanical excellence. Built around Seiko’s reliable automatic movement with a 72-hour power reserve, it’s a versatile companion that blends durable performance and timeless style

Key Features

• Brand: Seiko
• Model: SPB505J1 Prospex Alpinist
• Movement: Automatic with manual winding — Caliber 6R55 with approx. 72 h power reserve

• Case Material: Stainless steel with super-hard coating for scratch resistance.

• Dial Color: Black with classic Arabic numerals and LumiBrite hands/markers.

• Crystal: Sapphire crystal with magnifier and anti-reflective inner coating

• Bracelet: Stainless steel with tri-fold clasp and push-button release

• Water Resistance: 200 m / 20 bar — suitable for swimming and outdoor activities

• Case Diameter: Approx. 39.5 mm

• Case Thickness: Approx. 12.7 mm