Seiko Cal. 4440 - 712

The Seiko 4440-712 represents an important milestone in Seiko's 1987 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-02a0da623ae8]

Also known as: Helmet, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1987

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