Seiko Cal. 6389 - 792

The Seiko 6389-792 represents an important milestone in Seiko's 1989 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-3c6ae9351e7c]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1989

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