Seiko Cal. 5643 - 668

This Spring Drive model from 1987 features a 44mm PVD Black case. Powered by the 5643 caliber with 17j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-f0ea8a3509c3]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1987

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