Seiko Cal. 6389 - 790

The Seiko 6389-790 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-2d896cb91c3c]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1966

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