Seiko Cal. 6230 - 591

The Seiko 6230-591 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-42fe9677d459]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1987

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