Seiko Cal. 5682 - 581

The Seiko 5682-581 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-4bd4ac2d7b30]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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