Seiko Cal. 6638 - 179

The 6638-179 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-3f7612e5042b]

Also known as: Rally, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1984

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