Seiko Cal. 6634 - 389

The Seiko 6634-389 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-ce758476caa8]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1976

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