Seiko Cal. 5643 - 812

Released in 1982, the Cal. 5643 with design code 812 was part of Seiko's domestic market collection. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4ebf14ba50c5]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1982

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