Seiko Cal. 4487 - 392

Released in 1980, the Cal. 4487 with design code 392 was part of Seiko's domestic market collection. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-5981af5eb2e3]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1980

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