Seiko Cal. 6178 - 305

The Seiko 6178-305 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-aaa5c8f936fe]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1966

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