Seiko Cal. 5634 - 587

This Spring Drive model from 1987 features a 41mm PVD Black case. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-c0becf0cf670]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1987

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