Seiko Cal. 5678 - 420

Released in 1987, the Cal. 5678 with design code 420 was part of Seiko's domestic market collection. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-eb98700213ce]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

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