Seiko Cal. 4488 - 507

This Spring Drive model from 1987 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-c8b44af883be]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1987

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