Seiko SPB337J1 Prospex “The Black Series” Limited Edition Alpinist Automatic Watch – Men’s Premium Adventure-Timepiece, Stainless Steel, Black Dial

The Seiko SPB337J1 “The Black Series” is a limited-edition refinement of the iconic Alpinist, crafted for the serious outdoorsman. Boasting a deep matte-black dial, black-coated stainless steel case, and distinctive cathedral hands, this model delivers rugged elegance, precision, and legibility under any conditions.

Recommended For Men – ideal for mountaineering, hiking, outdoor exploration, city adventures, and Seiko collectors seeking a special-edition timepiece

Specifications:
• Movement: Automatic (Caliber 6R35) with manual winding and hacking
• Power Reserve: Approximately 70 hours
• Case Diameter: 39.5 mm
• Case Thickness: 13.2 mm
• Case & Band: Dark-coated Stainless Steel
• Dial: Matte black with LumiBrite-coated cathedral hands and markers
• Bezel: Internal rotating compass ring
• Water Resistance: 200 m (20 bar)
• Crystal: Sapphire crystal with anti-reflective coating
• Features: Date display at 3 o’clock, screw-down crown, exhibition case back, magnetic resistance
• Clasp: Deployment clasp with push-button release