Seiko Cal. 6363 - 991

The Seiko 6363-991 represents an important milestone in Seiko's 1979 lineup. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-69bd1ccf7818]

Also known as: Bullhead, Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1979

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