Seiko Cal. 4489 - 183

This Spring Drive model from 1972 features a 37mm PVD Black case. With its 19mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-15f2c3228731]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1972

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