Seiko Cal. 4423 - 495

The Seiko 4423-495 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-866a3ff3a52f]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1970

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