Seiko Cal. 6178 - 281

The Seiko 6178-281 represents an important milestone in Seiko's 1970 lineup. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-af886c2dce8d]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1970

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