Seiko Cal. 4420 - 675

This Quartz model from 1983 features a 45mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-897531440d36]

Also known as: Sumo, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1983

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