Seiko Cal. 4439 - 530

The Seiko 4439-530 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-6788e46340df]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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