Seiko Cal. 6378 - 102

The Seiko 6378-102 represents an important milestone in Seiko's 1981 lineup. Powered by the 6378 caliber with 18j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-23977c020f8c]

Also known as: Shogun, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1981

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