Seiko Cal. 4439 - 583

The Seiko 4439-583 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-47d4bdb38785]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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