Seiko Cal. 5643 - 340

This Automatic model from 1968 features a 40mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-8bf8ba64e13e]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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