Seiko Cal. 4439 - 771

Released in 1989, the Cal. 4439 with design code 771 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-358f54d9ac7e]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1989

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