Seiko Cal. 4427 - 556

This Kinetic model from 1971 features a 42mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-c6b305d34d25]

Also known as: Sumo, Sea Horse

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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