Seiko Cal. 6370 - 378

The Seiko 6370-378 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-8dd2cfd301bf]

Also known as: Tuna, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

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