Seiko Cal. 6633 - 957

The Seiko 6633-957 represents an important milestone in Seiko's 1982 lineup. Powered by the 6633 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-fac7043c7043]

Also known as: UFO, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1982

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