Seiko Cal. 5690 - 991

The Seiko 5690-991 represents an important milestone in Seiko's 1989 lineup. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-d7afabf344b8]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1989

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