Seiko Cal. 6163 - 642

This Automatic model from 1986 features a 35mm Stainless Steel case. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-cf3fb89bf4af]

Also known as: Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1986

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