Seiko Cal. 4561 - 819

This Kinetic model from 1975 features a 40mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-3cd6354e9a7d]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1975

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