Seiko Cal. 4423 - 478

The Seiko 4423-478 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-e51e541a54b1]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1965

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