Seiko Cal. 4490 - 724

This Spring Drive model from 1983 features a 37mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-3e52cad51f2f]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1983

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