Seiko Cal. 6378 - 469

The Seiko 6378-469 represents an important milestone in Seiko's 1979 lineup. Powered by the 6378 caliber with 27j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-5a73d8d1e75a]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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