Seiko Cal. 5691 - 889

The Seiko 5691-889 represents an important milestone in Seiko's 1972 lineup. Powered by the 5691 caliber with 30j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-d93347fcb0a3]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1972

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