Seiko Cal. 6621 - 404

The Seiko 6621-404 represents an important milestone in Seiko's 1989 lineup. Powered by the 6621 caliber with 21j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-c7156214b8b7]

Also known as: UFO, Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1989

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