Seiko Cal. 6378 - 180

The Seiko 6378-180 represents an important milestone in Seiko's 1991 lineup. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-8caeb40fae45]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1991

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