Seiko Cal. 5689 - 850

The Seiko 5689-850 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-1e64868229d8]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1973

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