Seiko Cal. 5678 - 187

The Seiko 5678-187 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-63d1ecc27235]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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