Seiko Cal. 5658 - 831

The Seiko 5658-831 represents an important milestone in Seiko's 1993 lineup. With its 18mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-f614e4b93d18]

Also known as: Sumo, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1993

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