Seiko Cal. 6684 - 423

The Seiko 6684-423 represents an important milestone in Seiko's 1966 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-618262b89848]

Also known as: Bullhead, Rally

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1966

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