Seiko Cal. 5287 - 531

The Seiko 5287-531 represents an important milestone in Seiko's 1979 lineup. With its 19mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-70c1802355b1]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1979

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