Seiko Cal. 4489 - 510

The Seiko 4489-510 represents an important milestone in Seiko's 1968 lineup. With its 21mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-bf71f3f30e16]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

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