Seiko Cal. 6621 - 631

The Seiko 6621-631 represents an important milestone in Seiko's 1984 lineup. With its 21mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-8480fa75b717]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1984

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