Seiko Cal. 5643 - 642

The Seiko 5643-642 represents an important milestone in Seiko's 1985 lineup. Powered by the 5643 caliber with 34j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-d7b40183349a]

Also known as: Sea Horse, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1985

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