Seiko Cal. 5231 - 394

The Seiko 5231-394 represents an important milestone in Seiko's 1984 lineup. With its 18mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-87a2c8207a98]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1984

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