Seiko Cal. 4439 - 370

The Seiko 4439-370 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-ed84754ec6b0]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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