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Seiko Prospex SPB503 Alpinist Mechanical Watch

Seiko Prospex SPB503 Alpinist Mechanical Watch

Seiko Prospex SPB503 Alpinist Mechanical Watch


Regular price €861,95
Regular price Sale price €861,95
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Editor’s Note

Rooted in Seiko’s mountaineering heritage, the Seiko Prospex SPB503 Alpinist Mechanical Watch carries the spirit of exploration into a more modern, elevated package. Its stainless steel case frames a textured dial that plays with light while staying highly legible, complemented by cathedral-style hands and a discreet date window. Inside, a reliable automatic movement powers the watch with a strong reserve, built to keep pace whether you’re off the grid or navigating daily life. A sapphire crystal, screw-down crown, and solid construction add durability, while the overall design balances classic Alpinist cues with updated finishing.

Details & Specs

  • Movement Caliber Number: 6R55
  • Movement Type: Automatic with manual winding
  • Power reserve: Approx. 72 hours(3 days)
  • Jewels: 24
  • Case Material: Stainless steel
  • Case Size: Thickness:12.7mm
  • Diameter:39.5mm
  • Lug-to-lug:46.4mm
  • Crystal: Sapphire crystal
  • Band Material: Stainless Steel
  • Distance between lugs: 20