Seiko Cal. 6389 - 804

This Hand-Winding model from 1979 features a 42mm Hardlex-Coated Steel case. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-14575f70bc49]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1979

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