Seiko Cal. 6689 - 321

The Seiko 6689-321 represents an important milestone in Seiko's 1991 lineup. It features a Cream dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-03a73c4ecfd0]

Also known as: Rally, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1991

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