Seiko Cal. 6626 - 657

The Seiko 6626-657 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-5fdd25521abc]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1976

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