Seiko Cal. 4431 - 425

The Seiko 4431-425 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-bf82e21a57d9]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1974

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