Seiko Cal. 6389 - 425

The Seiko 6389-425 represents an important milestone in Seiko's 1973 lineup. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-6804039b12ae]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1973

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