Seiko Cal. 4488 - 687

This Spring Drive model from 1989 features a 40mm Hardlex-Coated Steel case. Powered by the 4488 caliber with 22j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-8e3696286d3d]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1989

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