Seiko Cal. 6178 - 382

The Seiko 6178-382 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-44432b135634]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1991

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