Seiko Cal. 4423 - 971

The 4423-971 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-cf515706ae03]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1997

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