Seiko Cal. 6391 - 459

The Seiko 6391-459 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-90a092518365]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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