Seiko Cal. 4420 - 828

This Hand-Winding model from 1973 features a 42mm Two-Tone case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-df3ed9dbe6ee]

Also known as: Sea Horse, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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