Seiko Cal. 5678 - 447

Released in 1967, the Cal. 5678 with design code 447 was part of Seiko's domestic market collection. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-489ae88be35d]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1967

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