Seiko Cal. 6621 - 604

The Seiko 6621-604 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2f8380d32535]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1981

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