Seiko Cal. 6390 - 200

The Seiko 6390-200 represents an important milestone in Seiko's 1968 lineup. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-bc2458bae7e8]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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