Seiko Cal. 4487 - 953

This Quartz model from 1985 features a 39mm Hardlex-Coated Steel case. Powered by the 4487 caliber with 29j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-4454753fab7f]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1985

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