Seiko Cal. 5643 - 670

This Automatic model from 1984 features a 40mm PVD Black case. Powered by the 5643 caliber with 29j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-331a4b05eab8]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1984

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