Seiko Cal. 5664 - 897

The Seiko 5664-897 represents an important milestone in Seiko's 1967 lineup. Powered by the 5664 caliber with 28j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-8a1e25eb87e9]

Also known as: Bullhead, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1967

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