Seiko - Prospex Alpinist GMT - SPB377 - Watch Specs & Virtual Try-On

Discover the Seiko SPB377: 39.5mm, GMT function, blue dial. Explore detailed specs and see how it looks on your wrist with our virtual try-on!

Watch summary

The Seiko Prospex Alpinist GMT SPB377 combines classic Alpinist design with a GMT function. With a 39.5mm case, it offers a comfortable fit. It features a striking blue dial and a 72-hour power reserve.
Case Diameter
39.5mm
Movement
Automatic Caliber 6R54
Power Reserve
72 hours (3 days)
Thickness
13.6mm
Lug-to-Lug
46.4mm
Retail Price (USD)
$1,150
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Seiko preview

The Seiko Prospex Alpinist GMT SPB377 combines classic Alpinist design with a GMT function. With a 39.5mm case, it offers a comfortable fit. It features a striking blue dial and a 72-hour power reserve.

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