Seiko Cal. 0763 - 391

The Seiko 0763-391 represents an important milestone in Seiko's 1983 lineup. Powered by the 0763 caliber with 22j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-92afbb0af63b]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1983

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