Seiko Cal. 7178 - 189

This Spring Drive model from 1970 features a 44mm PVD Black case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-7bc1836e8cfe]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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