Seiko Cal. 6321 - 303

The Seiko 6321-303 represents an important milestone in Seiko's 1980 lineup. Powered by the 6321 caliber with 18j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-ab4cadc54b3c]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1980

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