Seiko Cal. 4439 - 472

The Seiko 4439-472 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-f3f4968bd71f]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1976

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