Seiko Cal. 5221 - 494

This Kinetic model from 1967 features a 40mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-d20eb91c280b]

Also known as: Monster, Silverwave

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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