Seiko Cal. 4487 - 687

This Spring Drive model from 1998 features a 34mm PVD Black case. Powered by the 4487 caliber with 20j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-8f1b7134765c]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1998

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