Seiko Cal. 6638 - 788

This Kinetic model from 1993 features a 40mm PVD Black case. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-bca2552cdcef]

Also known as: UFO, Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1993

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