Seiko Cal. 6628 - 521

Released in 1978, the Cal. 6628 with design code 521 was part of Seiko's domestic market collection. With its 21mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-3e1cdf025fec]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1978

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