Seiko Cal. 6378 - 758

The Seiko 6378-758 represents an important milestone in Seiko's 1968 lineup. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-0ec1b929934a]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1968

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