Seiko Cal. 4444 - 978

This Spring Drive model from 1971 features a 46mm Two-Tone case. Powered by the 4444 caliber with 21j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-f142739f56b8]

Also known as: Sea Horse, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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