Seiko Cal. 4539 - 443

This Spring Drive model from 1990 features a 36mm Hardlex-Coated Steel case. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-bb40a7473304]

Also known as: Panda, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1990

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