Seiko Cal. 4420 - 677

This Quartz model from 1987 features a 38mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-01c863ada0e7]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1987

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