Seiko Cal. 6391 - 411

The Seiko 6391-411 represents an important milestone in Seiko's 1974 lineup. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-5da1c7de9e88]

Also known as: Bullhead, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1974

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