Seiko Cal. 4439 - 565

This Spring Drive model from 1975 features a 40mm Two-Tone case. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-75dcd954fc90]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1975

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