Seiko Cal. 5231 - 394

The Seiko 5231-394 represents an important milestone in Seiko's 1990 lineup. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-a4e518ab22c2]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1990

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