Seiko Cal. 4447 - 526

This Automatic model from 1974 features a 36mm PVD Black case. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-6c219e0aea95]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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