Seiko Cal. 6388 - 647

This Quartz model from 1966 features a 35mm PVD Black case. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-4ea16b66b741]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1966

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