Seiko Cal. 4487 - 998

Released in 1992, the Cal. 4487 with design code 998 was part of Seiko's domestic market collection. Powered by the 4487 caliber with 28j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-f69dc5ca5699]

Also known as: Shogun, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1992

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