Seiko Cal. 4439 - 517

The Seiko 4439-517 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-5b795e6b4aff]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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