Seiko Cal. 4439 - 577

The Seiko 4439-577 represents an important milestone in Seiko's 1992 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-93e009fe5127]

Also known as: Goldfeather, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1992

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