Seiko Cal. 6388 - 147

The Seiko 6388-147 represents an important milestone in Seiko's 1990 lineup. With its 18mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-924e2fafafb7]

Also known as: Sumo, Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1990

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