Seiko Cal. 4439 - 409

The Seiko 4439-409 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-a95b00b93e15]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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