Seiko Cal. 4452 - 171

This Spring Drive model from 1981 features a 44mm PVD Black case. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-5afd49716088]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1981

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