Seiko Cal. 6321 - 321

This Spring Drive model from 1975 features a 35mm Titanium case. Powered by the 6321 caliber with 31j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-d16debdc8473]

Also known as: Goldfeather, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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