Seiko Cal. 3858 - 287

The Seiko 3858-287 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-87bf4ad27dd4]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1985

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