Seiko Cal. 6630 - 920

The Seiko 6630-920 represents an important milestone in Seiko's 1980 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-4f84b41c0a20]

Also known as: Pogue, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1980

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