Seiko Cal. 6390 - 605

The 6390-605 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-5bb49265bf4a]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1988

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