Seiko Cal. 5642 - 398

The Seiko 5642-398 represents an important milestone in Seiko's 1990 lineup. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-183e8ec203e6]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1990

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