Seiko Cal. 4487 - 923

The Seiko 4487-923 represents an important milestone in Seiko's 1982 lineup. Powered by the 4487 caliber with 27j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-4315d137095c]

Also known as: Shogun, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1982

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