Seiko Cal. 4578 - 716

The Seiko 4578-716 represents an important milestone in Seiko's 1990 lineup. With its 19mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-e19a3e4095ad]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1990

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