Seiko Cal. 4439 - 436

The Seiko 4439-436 represents an important milestone in Seiko's 1980 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-841036459dbe]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1980

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