Seiko Cal. 4477 - 844

This Spring Drive model from 1985 features a 35mm PVD Black case. Powered by the 4477 caliber with 20j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-35b8ea3711c9]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1985

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