Seiko Cal. 4487 - 385

The Seiko 4487-385 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e6638540a5d8]

Also known as: Emperor, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1978

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