Seiko Cal. 5683 - 600

This Spring Drive model from 1978 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-b1a95b01625f]

Also known as: Panda, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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