Seiko Cal. 4423 - 612

The 4423-612 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-13609edf2cdd]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1976

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