Seiko Cal. 4513 - 143

This Quartz model from 1987 features a 42mm Two-Tone case. Powered by the 4513 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-fefc4dc9d684]

Also known as: World Timer, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1987

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