Seiko Cal. 4487 - 430

This Kinetic model from 1981 features a 38mm Hardlex-Coated Steel case. Powered by the 4487 caliber with 24j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-3cf5140a1835]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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