Seiko Cal. 6378 - 304

The Seiko 6378-304 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e64c912738ab]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1981

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