Seiko Cal. 4439 - 109

The Seiko 4439-109 represents an important milestone in Seiko's 1986 lineup. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-6b3c1dd449b7]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1986

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