Seiko Cal. 6637 - 643

This Quartz model from 1986 features a 42mm Gold-Plated case. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-f007de9bb722]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1986

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