Seiko Cal. 4423 - 495

The Seiko 4423-495 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-9aba323e241e]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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