Seiko Cal. 4424 - 907

This Automatic model from 1976 features a 46mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-c6712aa813f2]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1976

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