Seiko Cal. 5227 - 371

This Spring Drive model from 1995 features a 36mm PVD Black case. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-2c9e5d9698c3]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1995

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