Seiko Cal. 5628 - 678

This Solar model from 1972 features a 40mm PVD Black case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ab651d877fae]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1972

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