Seiko Cal. 5690 - 331

The Seiko 5690-331 represents an important milestone in Seiko's 1991 lineup. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-29dce6fe69a6]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1991

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