Seiko Cal. 4487 - 540

The Seiko 4487-540 represents an important milestone in Seiko's 1987 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-86b905b31f8e]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1987

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