Seiko Cal. 5644 - 963

This Hand-Winding model from 1979 features a 40mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-5e7bd433b005]

Also known as: Pogue, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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