Seiko Cal. 6621 - 830

Released in 1981, the Cal. 6621 with design code 830 was part of Seiko's domestic market collection. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-64516de68ec2]

Also known as: Rally, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1981

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