Seiko Cal. 6320 - 991

The Seiko 6320-991 represents an important milestone in Seiko's 1997 lineup. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-5f567f8a8d97]

Also known as: Bullhead, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1997

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