Seiko Cal. 6391 - 733

The Seiko 6391-733 represents an important milestone in Seiko's 1974 lineup. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-ee4f10087637]

Also known as: Rally, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1974

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