Seiko Cal. 4428 - 513

This Solar model from 1980 features a 40mm Two-Tone case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9ec940008cae]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1980

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