Seiko Cal. 3828 - 881

Released in 1975, the Cal. 3828 with design code 881 was part of Seiko's domestic market collection. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-20d42a6fb7fc]

Also known as: Sumo, Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

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