Seiko Cal. 6620 - 678

This Quartz model from 1982 features a 46mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-ab9764e30189]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1982

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