Seiko Cal. 6321 - 674

The Seiko 6321-674 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-2b8daf2a979a]

Also known as: Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1966

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