Seiko Cal. 6630 - 583

The Seiko 6630-583 represents an important milestone in Seiko's 1981 lineup. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-865a9319880f]

Also known as: Shogun, Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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