Seiko Cal. 6321 - 580

The Seiko 6321-580 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-a9dcb9cf7b44]

Also known as: Rally, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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