Seiko Cal. 5690 - 620

The Seiko 5690-620 represents an important milestone in Seiko's 1990 lineup. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-5ec6204836c4]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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