Seiko Cal. 4423 - 727

The Seiko 4423-727 represents an important milestone in Seiko's 1973 lineup. Powered by the 4423 caliber with 20j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-f488bb495b37]

Also known as: Rally, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1973

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