Seiko Cal. 6178 - 984

The Seiko 6178-984 represents an important milestone in Seiko's 1990 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-367ddbe75a87]

Also known as: Sumo, Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1990

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