Seiko Cal. 4423 - 771

The Seiko 4423-771 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-aed7ccf91adc]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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