Seiko - Prospex Alpinist - SPB121 - Watch Specs & Virtual Try-On

The Seiko Prospex Alpinist SPB121 features a green dial, 70-hour power reserve, and compass bezel. Check out the specs and virtual try-on!

Watch summary

The Seiko Prospex Alpinist SPB121 is a modern re-imagining of Seiko's first sports watch, designed for adventure with a green sunray dial and gold accents. It features a rotating inner compass bezel and is powered by the Caliber 6R35 with a 70-hour power reserve. Its versatile design makes it suitable for both outdoor activities and formal occasions.
Case Diameter
39.5mm
Movement
Automatic Caliber 6R35
Power Reserve
70 hours
Thickness
13.2mm
Lug-to-Lug
46.4mm
Retail Price (USD)
$725
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Seiko preview

The Seiko Prospex Alpinist SPB121 is a modern re-imagining of Seiko's first sports watch, designed for adventure with a green sunray dial and gold accents. It features a rotating inner compass bezel and is powered by the Caliber 6R35 with a 70-hour power reserve. Its versatile design makes it suitable for both outdoor activities and formal occasions.

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