Seiko Cal. 4436 - 519

The Seiko 4436-519 represents an important milestone in Seiko's 1968 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-4be670139a28]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1968

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