Seiko Cal. 6178 - 578

This Spring Drive model from 1975 features a 41mm Stainless Steel case. With its 22mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-df45dcd3550f]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1975

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