Seiko Cal. 6178 - 527

The Seiko 6178-527 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-4e3a24d5e87a]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1989

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