Seiko Cal. 4487 - 140

The Seiko 4487-140 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-d69a31b64568]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1982

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