Seiko Cal. 5231 - 451

The Seiko 5231-451 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-aea18595be8e]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1974

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