Seiko Cal. 6628 - 564

The Seiko 6628-564 represents an important milestone in Seiko's 1969 lineup. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-d7fcf1fccfe5]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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