Seiko Cal. 6321 - 360

The Seiko 6321-360 represents an important milestone in Seiko's 1965 lineup. Powered by the 6321 caliber with 27j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-cb934fe465b2]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1965

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