Seiko Cal. 5284 - 397

The Seiko 5284-397 represents an important milestone in Seiko's 1968 lineup. Powered by the 5284 caliber with 19j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-7a8dc19ae610]

Also known as: Sea Horse, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1968

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