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Updated 4 months ago

Prospex Alpinist SPB121

Green-dial automatic field watch with internal compass bezel and classic Alpinist styling.

Seiko Prospex Alpinist SPB121 Green Dial – Carat & Co.

General Information

BrandSeiko
NameProspex Alpinist SPB121

Product Highlights

Automatic 6R35 Movement

Powered by Seiko’s automatic Caliber 6R35 movement, this analog watch includes a date display and stop second hand function.

Internal Compass Bezel

A rotating inner compass bezel supports the field-watch design while preserving the classic Alpinist look.

Durable Everyday Build

The stainless steel 39.5 mm case pairs with sapphire crystal featuring a magnifier and inner anti-reflective coating, plus 200 m water resistance.

The Seiko Prospex Alpinist SPB121 is a men's automatic analog field watch with a green dial, classic Alpinist styling, a stainless steel case, calfskin leather band, and an internal rotating compass bezel.

Media Reviews

Video Analysis

Attributes

AttributeSpecificationNotes
Band Materialcow leather (calfskin)
Band Width20 mmmm
Battery Life2.91667 daysdays
Case Diameter39.5 mmmm
Case Materialstainless steel
Case Thickness13.2 mmmm
Clasp Typethree-fold clasp with push button release
Crystal Materialsapphire crystal with magnifier and anti-reflective coating on inner surface
Display Typeanalog
Featuresdate, stop second hand function, rotating inner compass bezel
Gender Targetmen's
Movement Typeautomatic (Caliber 6R35)
Power Sourceautomatic
Water Resistance200 mm

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