Seiko Cal. 4487 - 813

The Seiko 4487-813 represents an important milestone in Seiko's 1985 lineup. With its 21mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-6467bd03efe8]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1985

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