Seiko Cal. 6629 - 638

The Seiko 6629-638 represents an important milestone in Seiko's 1997 lineup. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-7857f00be510]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1997

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