Seiko Cal. 3839 - 443

The Seiko 3839-443 represents an important milestone in Seiko's 1970 lineup. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-b56af94d48b7]

Also known as: Shogun, Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1970

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