Seiko Cal. 6621 - 478

The Seiko 6621-478 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-3eb97e6de1da]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1970

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