Seiko Cal. 4424 - 710

The Seiko 4424-710 represents an important milestone in Seiko's 1978 lineup. It features a Cream dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-6c921a8b61fe]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1978

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