Seiko Cal. 6391 - 979

The 6391-979 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-5ca4d70fdc05]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1986

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