Seiko Cal. 5251 - 443

The Seiko 5251-443 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-f8a403ef8552]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1974

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