Seiko Cal. 4487 - 889

The Seiko 4487-889 represents an important milestone in Seiko's 1986 lineup. Powered by the 4487 caliber with 28j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-a76ec41f67b2]

Also known as: Sumo, Panda

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1986

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