Seiko Cal. 6391 - 530

The Seiko 6391-530 represents an important milestone in Seiko's 1972 lineup. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-998a2bbb0cec]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1972

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