Seiko Cal. 4441 - 138

The Seiko 4441-138 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-ce6742d22bb1]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1989

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