Seiko Cal. 3896 - 431

The Seiko 3896-431 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-569dc9a2e478]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1980

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