Seiko Cal. 6620 - 457

The Seiko 6620-457 represents an important milestone in Seiko's 1983 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-88e9152689f5]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1983

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