Seiko Cal. 4427 - 587

This Quartz model from 1976 features a 43mm Two-Tone case. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-73fd06407ec4]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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