Seiko Cal. 4586 - 637

This Spring Drive model from 1983 features a 37mm Two-Tone case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-69624e975699]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1983

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