Seiko Cal. 6378 - 810

The Seiko 6378-810 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-33f780c54237]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1971

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