Seiko Cal. 6637 - 659

This Quartz model from 1983 features a 34mm Two-Tone case. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-a4a96f846fcc]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1983

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