Seiko Cal. 4487 - 860

The Seiko 4487-860 represents an important milestone in Seiko's 1984 lineup. Powered by the 4487 caliber with 24j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-2a7b1cdba5ea]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1984

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