Seiko Cal. 6678 - 564

The Seiko 6678-564 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-fc186dbf944c]

Also known as: UFO, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1978

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