Seiko Cal. 5690 - 420

The Seiko 5690-420 represents an important milestone in Seiko's 1980 lineup. It features a Navy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-de31e62295bb]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1980

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