Seiko Cal. 5287 - 513

The Seiko 5287-513 represents an important milestone in Seiko's 1965 lineup. Powered by the 5287 caliber with 20j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-2e903b5521a1]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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