Seiko Cal. 4587 - 927

This Spring Drive model from 1997 features a 40mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-9601d7656eb2]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1997

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