Seiko Cal. 6389 - 712

The Seiko 6389-712 represents an important milestone in Seiko's 1991 lineup. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-9c926c08bda8]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1991

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