Seiko Cal. 6178 - 436

The Seiko 6178-436 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ee2972bf70ff]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1965

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