Seiko Cal. 6621 - 720

The Seiko 6621-720 represents an important milestone in Seiko's 1972 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1ff74733b677]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1972

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