Seiko Cal. 4439 - 598

Released in 1970, the Cal. 4439 with design code 598 was part of Seiko's domestic market collection. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-7cba7bcd1105]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

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