Seiko Cal. 4430 - 723

The 4430-723 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-9f54805748bd]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1982

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