Seiko Cal. 4487 - 513

The Seiko 4487-513 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-906ebf4d25e9]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1983

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