Seiko Cal. 6393 - 687

The Seiko 6393-687 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-b582b41cac47]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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