Seiko Cal. 6643 - 221

This Quartz model from 1972 features a 40mm Stainless Steel case. It features a Green dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-b56e25e3e094]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1972

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