Seiko Cal. 6378 - 678

The Seiko 6378-678 represents an important milestone in Seiko's 1979 lineup. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-e391c84258b5]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1979

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