Seiko Cal. 5690 - 628

The Seiko 5690-628 represents an important milestone in Seiko's 1990 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ff62bb28a9b6]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1990

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