Seiko Cal. 6321 - 239

The Seiko 6321-239 represents an important milestone in Seiko's 1967 lineup. Powered by the 6321 caliber with 23j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-ca08516a1b8f]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

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