Seiko Cal. 4447 - 287

This Quartz model from 1973 features a 44mm Titanium case. Powered by the 4447 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-33f71b958a18]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1973

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