Seiko Cal. 6378 - 155

The Seiko 6378-155 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-247b20f90d0d]

Also known as: Shogun, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1988

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