Seiko Cal. 6378 - 223

The Seiko 6378-223 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-22216eddd1d2]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1987

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