Seiko Cal. 4446 - 640

The 4446-640 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-659db09886fc]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1983

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