Seiko Cal. 4539 - 188

This Spring Drive model from 1991 features a 39mm PVD Black case. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-ab529f18be46]

Also known as: Monster, Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1991

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